There is nothing more uncommon than common sense.

Never do anything when you are in a temper, for you will do everything wrong.

Never ruin an apology with an excuse.

There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self.

Man's sensitivity to the little things and insensitivity to the greatest are the signs of a strange disorder.

It takes a great man to be a good listener.

Rest satisfied with doing well, and leave others to talk of you as they please.

Achievement brings its own anticlimax.

Nothing is more intolerable than to have to admit to yourself your own errors.

To live is not merely to breathe; it is to act; it is to make use of our organs, senses, faculties - of all those parts of ourselves which give us the feeling of existence

To me, being an intellectual doesn't mean knowing about intellectual issues; it means taking pleasure in them.

Experience teaches us that it is much easier to prevent an enemy from posting themselves than it is to dislodge them after they have got possession.

Do not reveal what you have thought upon doing, but by wise council keep it secret being determined to carry it into execution.

Having a great intellect is no path to being happy.

There are no limitations to the mind except those we acknowledge.

Talent is God given. Be humble. Fame is man-given. Be grateful. Conceit is self-given. Be careful.

Good means not merely not to do wrong, but rather not to desire to do wrong.

Only from the heart can you touch the sky.

Time flies over us, but leaves its shadow behind.

There's no sense in being precise when you don't even know what you're talking about.

One of the truest tests of integrity is its blunt refusal to be compromised.