2 Peter 3:8

But, beloved, be not ignorant of this one thing, that one day with the Lord is as a thousand years, and a thousand years as one day.

Romans 11:25

For I do not wish you, brethren, to be ignorant of this mystery lest you be wise in your own conceit that blindness has happened to Israel in part, till the full number of the Gen tiles shall have come in.

1 Corinthians 10:1

Now, brethren, I do not wish you to be ignorant, that all our fathers were under the cloud, and that all passed through the sea,

1 Corinthians 12:1

But concerning spiritual gifts, brethren, I do not wish you to be ignorant.

Treasury of Scripture Knowledge

Summary

But, beloved, be not ignorant of this one thing, that one day is with the Lord as a thousand years, and a thousand years as one day.

General references

Bible References

Be not

Romans 11:25
For I do not wish you, brethren, to be ignorant of this mystery lest you be wise in your own conceit that blindness has happened to Israel in part, till the full number of the Gen tiles shall have come in.
1 Corinthians 10:1
Now, brethren, I do not wish you to be ignorant, that all our fathers were under the cloud, and that all passed through the sea,
1 Corinthians 12:1
But concerning spiritual gifts, brethren, I do not wish you to be ignorant.

General references

Hebrews 10:37
For yet a very, very little while, and He that comes will come, and will not delay.