Acquaintance. A person whom we know well enough to borrow from, but not well enough to lend to. Ambrose Bierce
Distrust all those who love you extremely upon a very slight acquaintance and without any visible reason. Lord Chesterfield
Friends and acquaintances are the surest passport to fortune. Arthur Schopenhauer
When an acquaintance goes by I often step back from my window, not so much to spare him the effort of acknowledging me as to spare myself the embarrassment of seeing that he has not done so. Georg Christoph Lichtenberg
If a man does not make new acquaintance as he advances through life, he will soon find himself left alone. A man, Sir, should keep his friendship in constant repair. Samuel Johnson
I look upon every day to be lost, in which I do not make a new acquaintance. Samuel Johnson
In a multitude of acquaintances is less security, than in one faithful friend. Herman Melville
We need two kinds of acquaintances, one to complain to, while to the others we boast. Logan Pearsall Smith