Good News Translation
When you find yourself with stupid people, look for some excuse to leave, but when you are with serious-minded people, stay as long as you can.

New Revised Standard Version
Among stupid people limit your time, but among thoughtful people linger on.

Contemporary English Version
Don't waste your time listening to stupid people; spend it with those who know how to think.

New American Bible
Limit the time you spend among the stupid, but frequent the company of the thoughtful.

Douay-Rheims Bible
A holy man continueth in wisdom as the sun: but a fool is changed as the moon.

A holy man continueth in wisdom as the sun: but a fool is changed as the moon.

Sirach 27:10
Birds resort unto their like: so truth will return to them that practise her.

Sirach 27:11
The lion always lieth in wait for prey: so do sins for them that work iniquities.

Sirach 27:13
In the midst of the unwise keep in the word till its time: but be continually among men that think.

Sirach 27:14
The discourse of sinners is hateful, and their laughter is at the pleasures of sin.