2 Peter 3:8

But let not this particular be concealed from you, beloved, that one day with the Lord is as a thousand years, and a thousand years as one day.

Romans 11:25

For I would not that you should be ignorant, brethren, of this mystery, lest ye should be wise in your own conceits; that blindness in part is come on Israel, until the fulness of the Gentiles be come in.

1 Corinthians 10:1

BUT I would not that you should be ignorant, brethren, that our fathers were all under the cloud, and all passed through the sea;

1 Corinthians 12:1

NOW concerning spiritual gifts, brethren, I would not have you 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 would not that you should be ignorant, brethren, of this mystery, lest ye should be wise in your own conceits; that blindness in part is come on Israel, until the fulness of the Gentiles be come in.
1 Corinthians 10:1
BUT I would not that you should be ignorant, brethren, that our fathers were all under the cloud, and all passed through the sea;
1 Corinthians 12:1
NOW concerning spiritual gifts, brethren, I would not have you ignorant.

General references

Hebrews 10:37
For yet a little, very little while, and he that is coming will come, and will not delay.