Pro 23:9 Speak not in the ears of a fool: for he will despise the wisdom of thy words.
Pro 23:10 Remove not the old landmark; and enter not into the fields of the fatherless:
Pro 23:11 For their redeemer is mighty; he shall plead their cause with thee.
Pro 23:12 Apply thine heart unto instruction, and thine ears to the words of knowledge.
Pro 23:13 Withhold not correction from the child: for if thou beatest him with the rod, he shall not die.
Pro 23:14 Thou shalt beat him with the rod, and shalt deliver his soul from hell.
Pro 23:15 My son, if thine heart be wise, my heart shall rejoice, even mine.
Pro 23:16 Yea, my reins shall rejoice, when thy lips speak right things.
Pro 23:17 Let not thine heart envy sinners: but be thou in the fear of the LORD all the day long.
Pro 23:18 For surely there is an end; and thine expectation shall not be cut off.
Pro 23:19 Hear thou, my son, and be wise, and guide thine heart in the way.
I love the last three verses there. We're not to envy sinners, though they may look successful now. Our expectation and our hope isn't in this world but the next.