Proverbs 18: 24
A man of many companions may come to a ruin,
but there is a friend who sticks closer than a brother.

Proverbs 19: 2
It is not good to have zeal without knowledge,
nor to be hasty and miss the way.

Ecclesiastes 7: 21-22
Do not pay attention to every word people say,
or you may hear your servant cursing you - for you know in your heart
that many times you yourself have cursed others.