A man is not rightly conditioned until he is a happy, healthy, and prosperous being; and happiness, health, and prosperity are the result of a harmonious adjustment of the inner with the outer of the man with his surroundings.
A wise man can play the part of a clown, but a clown can't play the part of a wise man.
Great minds discuss ideas. Average minds discuss events. Small minds discuss people.
When people are protecting something truly special to them, they truly can become...as strong as they can be.
The people who turn out best are those people who make the best out of the way things turn out.
I like university professors, but you know, we shouldn't hold them up as the high-water mark of all human achievement. They're just a form of life, another form of life.
The great gift of human beings is that we have the power of empathy, we can all sense a mysterious connection to each other.
The capacity to suffer varies more than anything that I have observed in human nature.
Humanity is acquiring all the right technology for all the wrong reasons.
There are four million different kinds of animals and plants in the world. Thatís four million solutions to the problem of staying alive.
Progress of mankind is progress of mind and intellect.
A man's feet should be planted in his country, but his eyes should survey the world.
Each man is questioned by life; and he can only answer to life by answering for his own life; to life he can only respond by being responsible.
The first human who hurled an insult instead of a stone was the founder of civilization.
In spite of everything, I still believe that people are really good at heart.
Sickness is mankind's greatest defect.
What sunshine is to flowers, smiles are to humanity. These are but trifles, to be sure; but scattered along life's pathway, the good they do is inconceivable.
The greatest attitude of all is gratitude.
I just invent, then wait until man comes around to needing what I've invented.
I despise people who depend on these things [heroin and cocaine]. If you really want a mind-altering experience, look at a tree.
If you can't say something good about someone, sit right here by me.