To know a little of anything gives neither satisfaction nor credit, but often brings disgrace or ridicule.

Never seem wiser, nor more learned, than the people you are with. Wear your learning, like your watch, in a private pocket: and do not merely pull it out and strike it; merely to show that you have one.

You will find that reason, which always ought to direct mankind, seldom does; but that passions and weaknesses commonly usurp itsseat, and rule in its stead.

If originally it was not good for a man to be alone, it is much worse for a sick man to be so; he thinks too much of his distemper, and magnifies it.

Advice is seldom welcome, and those who need it the most, like it the least.

Speak the language of the company you are in; speak it purely, and unlarded with any other.

Never put off till tomorrow what you can do today.