Attitude, not Aptitude, determines Altitude.

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.

No act of kindness, no matter how small, is ever wasted.

It is a cliche that most cliches are true, but then like most cliches, that cliche is untrue.

Wisdom is not the product of schooling, but of the lifelong attempt to acquire it.

Muddy water is best cleared by leaving it alone.

I know I am but mortal and so therewhilst prepare myself for death, whensoever it shall please God to send it.

The more skilled you are at something, the worse you are at it when showing someone.

Colorless green ideas sleep furiously

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

What a man does for others, not what they do for him, gives him immortality.

Those who can not change their minds can not change anything.

If a man could have half of his wishes, he would double his troubles.

Throw your heart over the fence and the rest will follow.

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

There is an art, or rather a knack to flying. The knack lies in learning how to throw yourself at the ground and miss.

Knowing is not enough, we must apply. Willing is not enough, we must do.

It is not enough to have a good mind; the main thing is to use it well.

Bitterness is like cancer. It eats upon the host. But anger is like fire. It burns it all clean.

There is no question climate change is happening. The only arguable point is what part humans are playing in it.

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