Focusing your life solely on making a buck shows a certain poverty of ambition. It asks too little of yourself. Because it's only when you hitch your wagon to something larger than yourself that you realize your true potential.

There's nothing funnier than the human animal.

All our dreams can come true, if we have the courage to pursue them.

Anything that won't sell, I don't want to invent. Its sale is proof of utility, and utility is success.

I think technology really increase human ability. But technology cannot produce compassion.

Get mad, then get over it.

At what point then is the approach of danger to be expected? I answer, if it ever reach us, it must spring up amongst us. It cannot come from abroad. If destruction be our lot, we must ourselves be its author and finisher. As a nation of freemen, we must live through all time, or die by suicide.

Any people anywhere, being inclined and having the power, have the right to rise up, and shake off the existing government, and form a new one that suits them better. This is a most valuable - a most sacred right - a right, which we hope and believe, is to liberate the world.

Democracy is when the indigent, and not the men of property, are the rulers.

Some mountains appear when seawater recedes.

We shall defend our island, whatever the cost may be, we shall fight on the beaches, we shall fight on the landing grounds, we shall fight in the fields and in the streets, we shall fight in the hills; we shall never surrender. 

Zebra crossings offer safe passage to pedestrians in cities but there is no such thing for zebras in the African jungles!