A weak mind does not accumulate force enough to hurt itself stupidity often saves a man from going mad.

— Oliver Wendell Holmes

Beware how you take away hope from another human being.

— Oliver Wendell Holmes

But friendship is the breathing rose, with sweets in every fold.

— Oliver Wendell Holmes

Certainty generally is illusion and repose is not the destiny of man.

— Oliver Wendell Holmes

Certitude is not the test of certainty. We have been cock-sure of many things that were not so.

— Oliver Wendell Holmes

Don't be consistent but be simply true.

— Oliver Wendell Holmes

Don't flatter yourself that friendship authorizes you to say disagreeable things to your intimates. The nearer you come into relation with a person the more necessary do tact and courtesy become.

— Oliver Wendell Holmes

Don't flatter yourselves that friendship authorizes you to say disagreeable things to your intimates. On the contrary, the nearer you come into relation with a person, the more necessary does tact and courtesy become.

— Oliver Wendell Holmes

Every calling is great when greatly pursued.

— Oliver Wendell Holmes

Every library should try to be complete on something, if it were only the history of pinheads.

— Oliver Wendell Holmes