Leviticus 8:32

And what remains of the meat and of the bread you shall burn in the fire.

Exodus 29:34

And if any of the meat of ordination or the bread remains until morning, you shall burn it in the fire; it shall not be eaten, because it is holy.

Exodus 12:10

You shall let none of the meat remain until the morning, and anything that remains left over until morning, you shall burn completely in the fire.

Leviticus 7:17

but what is left over from the meat of the sacrifice on the third day shall be [completely] burned in the fire.

Proverbs 27:1

Do not boast about tomorrow,
For you do not know what a day may bring.

Ecclesiastes 9:10

Whatever your hand finds to do, do it with all your might; for there is no activity or planning or knowledge or wisdom in Sheol (the nether world, the place of the dead) where you are going.

2 Corinthians 6:2

For He says,“At the acceptable time (the time of grace) I listened to you,
And I helped you on the day of salvation.” Behold, now is “the acceptable time,” behold, now is “the day of salvation”—

But continually encourage one another every day, as long as it is called “Today” [and there is an opportunity], so that none of you will be hardened [into settled rebellion] by the deceitfulness of sin [its cleverness, delusive glamour, and sophistication].

Treasury of Scripture Knowledge

Summary