Life can either be accepted or changed. If it is not accepted, it must be changed. If it cannot be changed, then it must be accepted.

There is no limit to the ingenuity of man if it is properly and vigorously applied under conditions of peace and justice.

The Russians will try all the rooms in a house, enter those that are not locked, and when they come to one that cannot be broken into, they will withdraw and invite you to dine genially that same evening.

Ethics evolve naturally, and we trample upon them with laws created by reason and experience.

The United States is like a gigantic boiler. Once the fire is lit under it, there's no limit to the power it can generate.

Young people at universities study to achieve knowledge and not to learn a trade. We must all learn how to support ourselves, but we must also learn how to live. We need a lot of engineers in the modern world, but we do not want a world of modern engineers.

I am convinced that there is no smarter, handier, or more adaptable body of troops in the world.