The weak can never forgive. Forgiveness is the attribute of the strong.

The greatest pride, or the greatest despondency, is the greatest ignorance of one's self.

It is easy to be brave at a safe distance.

Never ruin an apology with an excuse.

A friend to all is a friend to none

Experience is merely the name men gave to their mistakes.

A scholar who cherishes the love of comfort is not fit to be deemed a scholar.

None but ourselves can free our minds.

A precedent embalms a principle.

Things which matter most must never be at the mercy of things which matter least.

Yesterday is but today's memory and tomorrow is today's dream.

He alone is free who lives with free consent under the entire guidance of reason.

You always admire what you really don't understand.

The impossible could not have happened, therefore the impossible must be possible in spite of appearances.

You can best serve civilization by being against what usually passes for it.

If you don't stand for something you will fall for anything.

Don't criticize what you can't understand.

Love make us poets, and the approach of death should make us philosophers.

No man has any natural authority over his fellow men.

All truth passes through three stages. First, it is ridiculed. Second, it is violently opposed. Third, it is accepted as being self-evident.

Learned we may be with another man's learning: we can only be wise with wisdom of our own.