Sirach 8:17

¹⁵Travel not by the way with a bold fellow, Lest he become grievous unto thee: For he will do according to his own will, And thou shalt perish with him through his folly.

¹⁶Strive not with an angry man, And go not with him into a solitary place: For blood is as nothing in his sight; And where there is no help, he will overthrow thee.

— Sirach 8:17 —

¹⁸Do no secret thing before a stranger: For thou knowest not what he will bring forth.

¹⁹Open not thy heart to every man, Lest he requite thee with a shrewd turn.