Human history becomes more and more a race between education and catastrophe.

Progress of mankind is progress of mind and intellect.

Everything that irritates us about others can lead us to an understanding of ourselves.

Take away paradox from the thinker and you have a professor.

Man has the power to act as his own destroyer - and that is the way he has acted through most of his history.

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.

A person's a person, no matter how small.

On the highest throne in the world, we still sit only on our own bottom.

Man is made or unmade by himself. By the right choice he ascends. As a being of power, intelligence, and love, and the lord of his own thoughts, he holds the key to every situation.

If you want to know what a man's like, take a good look at how he treats his inferiors, not his equals.

Build a man a fire, and he'll be warm for a day. Set a man on fire, and he'll be warm for the rest of his life.

I just invent, then wait until man comes around to needing what I've invented.

It's funny how humans can wrap their mind around things and fit them into their version of reality.

Stupid men are often capable of things the clever would not dare to contemplate...

Outstanding people have one thing in common: an absolute sense of mission

A man's first care should be to avoid the reproaches of his own heart.

The whole universe is contained within a single human being – you.

It is a waste of energy to be angry with a man who behaves badly, just as it is to be angry with a car that won't go.

One of the greatest diseases is to be nobody to anybody.

A man's feet should be planted in his country, but his eyes should survey the world.

The great gift of human beings is that we have the power of empathy, we can all sense a mysterious connection to each other.