Man will occasionally stumble over the truth, but most of the time he will pick himself up and continue on.

I want to put a ding in the universe.

Let me define a leader. He must have vision and passion and not be afraid of any problem. Instead, he should know how to defeat it. Most importantly, he must work with integrity.

All wrong-doing arises because of mind. If mind is transformed can wrong-doing remain?

Although personally I am quite content with existing explosives, I feel we must not stand in the path of improvement. 

The ambition of the greatest men of our generation has been to wipe every tear from every eye. That may be beyond us, but so long as there are tears and suffering, so long our work will not be over.

Nationalism is an infantile disease. It is the measles of mankind.

If people are good only because they fear punishment, and hope for reward, then we are a sorry lot indeed.

The reason that Apple is able to create products like the iPad is because we've always tried to be at the intersection of technology and the liberal arts.

For good or for ill, air mastery is today the supreme expression of military power and fleets and armies, however vital and important, must accept a subordinate rank. 

You see, God helps only people who work hard. That principle is very clear.

If you have ten thousand regulations you destroy all respect for the law.