It is man's destiny to ponder on the riddle of existence and, as a byproduct of his wonderment, to create a new life on this earth.

The person who doesn't know something can't be done will often find a way to go ahead and do it.

We must look forward to the future as that is where most of us will be spending the rest of our lives.

You can send a message around the world in one-fifth of a second, yet it may take years for it to get from the outside of a man's head to the inside.

In America we can say what we think, and even if we can't think, we can say it anyhow.

Problems are the price of progress. Don't bring me anything but trouble. Good news weakens me.

Do not bring me your successes; they weaken me. Bring me your problems; they strengthen me.