Solomon
Proverbs 23:18ESV·traditional attribution

Surely there is a future, and your hope will not be cut off.

Matthew Henry Presbyterian @wholebiblehenry

Here is, 1. A necessary caution against entertaining any favourable thoughts of prospering profaneness: "Let not thy heart envy sinners; do not grudge them either the liberty they take to sin or the success they are to be pitied rather than envied. Their prosperity is their portion (Psa 73:3), nay, it is their poison," Pro 1:32.

Commenting on Proverbs 23:17-18

John Gill Reformed Baptist @doctorgill

For surely there is an end,.... Both of the prosperity of the wicked, which is but for a short time; and of the afflictions of the righteous, which are but as it were for a moment; and therefore there is no reason to envy the one, nor to be fretful under the other; the end to a good man will be peace and prosperity for...

Jamieson-Fausset-Brown Reformed @jfbcommentary

an end--or, "hereafter," another time, when apparent inequalities shall be adjusted (compare Psa 37:28-38).