Beware the barrenness of a busy life.
Socrates
I say beware of all enterprises that require new clothes, and not rather a new wearer of clothes.
Henry David Thoreau
Beware of all enterprises that require a new set of clothes.
Beware of the company you keep. See that you associate with the right type of people.
Dada Vaswani
Beware of a man with manners.
Eudora Welty
Beware of monotony; it's the mother of all the deadly sins.
Edith Wharton
Beware of geeks bearing formulas.
Warren Buffett
Beware the tyranny of the weak. They just suck you dry.
Anthony Hopkins