Time wounds all heels.

Men build too many walls and not enough bridges.

When you undervalue what you do, the world will undervalue who you are

A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools.

Don't expect to build up the weak by pulling down the strong.

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

To be one, to be united is a great thing. But to respect the right to be different is maybe even greater.

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

A man who as a physical being is always turned toward the outside, thinking that his happiness lies outside him, finally turns inward and discovers that the source is within him.

What can't be cured must be endured.

Wisdom begins at the end.

Obsession is the wellspring of genius and madness.

Nothing is as easy as it looks.

To be wronged is nothing unless you continue to remember it.

If I speak of myself in different ways, that is because I look at myself in different ways.

Without courage, wisdom bears no fruit.

Take care of the pieces well. The whole will take care of itself.

If you don't want to slip up tomorrow, speak the truth today.

I hear and I forget. I see and I remember. I do and I understand.

There are things known and there are things unknown, and in between are the doors of perception.

Reflect upon your present blessings, of which every man has many; not on your past misfortunes, of which all men have some.