Any man who is under 30, and is not a liberal, has not heart; and
any man who is read more

Any man who is under 30, and is not a liberal, has not heart; and
any man who is over 30, and is not a conservative, has no brains.

Behold, I send you forth as sheep in the midst of wolves: be ye
therefore wise as serpents, and read more

Behold, I send you forth as sheep in the midst of wolves: be ye
therefore wise as serpents, and harmless as doves.

Wisdom is the supreme part of happiness.

Wisdom is the supreme part of happiness.

Better be wise by the misfortunes of others than by your own.

Better be wise by the misfortunes of others than by your own.

A man only becomes wise when he begins to calculate the approximate depth of his ignorance.

A man only becomes wise when he begins to calculate the approximate depth of his ignorance.

For wisdom is better than rubies; and all the things that may be
desired are not to be compared read more

For wisdom is better than rubies; and all the things that may be
desired are not to be compared with it.

The key to wisdom is knowing all the right questions.

The key to wisdom is knowing all the right questions.

Live as if you were to die tomorrow. Learn as if you were to live forever.

Live as if you were to die tomorrow. Learn as if you were to live forever.

I said, Days should speak, and multitude of years should teach
wisdom.

I said, Days should speak, and multitude of years should teach
wisdom.