1 Timothy 1:19

holding fast to faith and a clear conscience, which some have cast aside and have made shipwreck of their faith.

1 Timothy 1:5

But the end sought to be secured by exhortation is the love which springs from a pure heart, a clear conscience and a sincere faith.

1 Timothy 3:9

but holding the secret truths of the faith with a clear conscience.

1 Timothy 6:9

But people who are determined to be rich fall into temptation and a snare, and into many unwise and pernicious ways which sink mankind in destruction and ruin.

2 Peter 2:1-3

But there were also false prophets among the people, as there will be teachers of falsehood among you also, who will cunningly introduce fatal divisions, disowning even the Sovereign Lord who has redeemed them, and bringing on themselves swift destruction.

Jude 1:10-13

Yet these men are abusive in matters of which they know nothing, and in things which, like the brutes, they understand instinctively--in all these they corrupt themselves.

Revelation 3:8

I know your doings. I have put an opened door in front of you, which no one can shut; because you have but a little power, and yet you have guarded My word and have not disowned Me.

Revelation 3:10

Because in spite of suffering you have guarded My word, I in turn will guard you from that hour of trial which is soon coming upon the whole world, to put to the test the inhabitants of the earth.

Matthew 6:27

Which of you by being over-anxious can add a single foot to his height?

1 Corinthians 11:19

For there must of necessity be differences of opinion among you, in order that it may be plainly seen who are the men of sterling worth among you.

Galatians 1:6-8

I marvel that you are so readily leaving Him who called you by the grace of Christ, and are adhering to a different Good News.

Galatians 5:4

Christ has become nothing to any of you who are seeking acceptance with God through the Law: you have fallen away from grace.

Philippians 3:18-19

For there are many whom I have often described to you, and I now even with tears describe them, as being enemies to the Cross of Christ.

1 Timothy 4:1-2

Now the Spirit expressly declares that in later times some will fall away from the faith, giving heed to deceiving spirits and the teachings of demons;

1 Timothy 6:21

of which some have spoken boastfully in connexion with the true faith, and have erred. Grace be with you all.

2 Timothy 3:1-6

But of this be assured: in the last days grievous times will set in.

2 Timothy 4:4

and will turn away from listening to the truth and will turn aside to fables.

Titus 1:9

holding fast to the faithful Message which he has received, so that he may be well qualified both to encourage others with sound teaching and to reply successfully to opponents.

Hebrews 3:14

For we have, all alike, become sharers with Christ, if we really hold our first confidence firm to the End;

Hebrews 6:4-6

For it is impossible, in the case of those who have once for all been enlightened, and have tasted the sweetness of the heavenly gift, and have been made partakers of the Holy Spirit,

1 Peter 3:15-16

but in your hearts consecrate Christ as Lord, being always ready to make your defence to any one who asks from you a reason for the hope which you cherish.

2 Peter 2:12-22

But these men, like brute beasts, created (with their natural instincts)

1 John 2:19

They have gone forth from our midst, but they did not really belong to us; for had they belonged to us, they would have remained with us. But they left us that it might be manifest that professed believers do not all belong to us.

Revelation 3:3

Be mindful, therefore, of the lessons you have received and heard. Continually lay them to heart, and repent. If, however, you fail to rouse yourself and keep awake, I shall come upon you suddenly like a thief, and you will certainly not know the hour at which I shall come to judge you.

Treasury of Scripture Knowledge

Summary

Holding faith, and a good conscience; which some having put away concerning faith have made shipwreck:

General references

Bible References

Holding

1 Timothy 1:5
But the end sought to be secured by exhortation is the love which springs from a pure heart, a clear conscience and a sincere faith.
1 Timothy 3:9
but holding the secret truths of the faith with a clear conscience.
Titus 1:9
holding fast to the faithful Message which he has received, so that he may be well qualified both to encourage others with sound teaching and to reply successfully to opponents.
Hebrews 3:14
For we have, all alike, become sharers with Christ, if we really hold our first confidence firm to the End;
1 Peter 3:15
but in your hearts consecrate Christ as Lord, being always ready to make your defence to any one who asks from you a reason for the hope which you cherish.
Revelation 3:3
Be mindful, therefore, of the lessons you have received and heard. Continually lay them to heart, and repent. If, however, you fail to rouse yourself and keep awake, I shall come upon you suddenly like a thief, and you will certainly not know the hour at which I shall come to judge you.

Made

1 Timothy 6:9
But people who are determined to be rich fall into temptation and a snare, and into many unwise and pernicious ways which sink mankind in destruction and ruin.
Matthew 6:27
Which of you by being over-anxious can add a single foot to his height?

General references

Acts 24:16
This too is my own earnest endeavour--always to have a clear conscience in relation to God and man.