Romans 8:29

For [that class of] persons whom God knew beforehand He also predetermined to become conformed to the [spiritual] likeness of His Son, so that He could be the firstborn One among [His] many brothers [i.e., so He could be the preeminent example to all His followers. See Heb. 2:11].

Philippians 4:8

Finally, brothers, give [careful] thought to these things: Whatever is true, whatever is noble, whatever is right, whatever is pure, whatever is lovable, whatever is commendable. If it is excellent; if it is praiseworthy; [think about it].

Hebrews 12:16-17

and that no one becomes immoral or ungodly, like Esau, who sold his right to the firstborn son's inheritance for a single meal.

Treasury of Scripture Knowledge

Summary

Then it shall be, when he maketh his sons to inherit that which he hath, that he may not make the son of the beloved firstborn before the son of the hated, which is indeed the firstborn:

Bible References

General references

Romans 8:29
For [that class of] persons whom God knew beforehand He also predetermined to become conformed to the [spiritual] likeness of His Son, so that He could be the firstborn One among [His] many brothers [i.e., so He could be the preeminent example to all His followers. See Heb. 2:11].
Philippians 4:8
Finally, brothers, give [careful] thought to these things: Whatever is true, whatever is noble, whatever is right, whatever is pure, whatever is lovable, whatever is commendable. If it is excellent; if it is praiseworthy; [think about it].
Hebrews 12:16
and that no one becomes immoral or ungodly, like Esau, who sold his right to the firstborn son's inheritance for a single meal.