A question that sometimes drives me hazy: Am I, or the others, crazy?
Progress of mankind is progress of mind and intellect.
Are we happy that our grandchildren may never seen an elephant except in a picture book?
There seems to be some perverse human characteristic that likes to make easy things difficult.
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 true measure of a man is how he treats someone who can do him absolutely no good.
To live alone is the fate of all great souls.
A man's first care should be to avoid the reproaches of his own heart.
Private passions tire and exhaust themselves, public ones never.
Humanity is acquiring all the right technology for all the wrong reasons.
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.
We are just an advanced breed of monkeys on a minor planet of a very average star. But we can understand the Universe. That makes us something very special.
The first time someone shows you who they are, believe them.
After your death you will be what you were before your birth.
There are four million different kinds of animals and plants in the world. Thatís four million solutions to the problem of staying alive.
Humans are not proud of their ancestors, and rarely invite them round to dinner.
How important it is for us to recognize and celebrate our heroes and she-roes!
He that wrestles with us strengthens our nerves and sharpens our skill. Our antagonist is our helper.
Poverty is... Curable like any disease. Ignorance, dependence, inefficiency, laziness, want of the spirit of enterprise are the real real causes of poverty.
It's funny how humans can wrap their mind around things and fit them into their version of reality.
How can you thank a man for giving you what's already yours? How then can you thank him for giving you only part of what is yours?