When the outlook is steeped in pessimism, I remind myself, "Two and two still make four, and you can't keep humankind down for long."

Only as you do know yourself can your brain serve you as a sharp and efficient tool. Know your own failings, passions, and prejudices so you can separate them from what you see.

Even when we know what is right, too often we fail to act. More often we grab greedily for the day, letting tomorrow bring what it will, putting off the unpleasant and unpopular.

The ability to express an idea is well nigh as important as the idea itself.

During my eighty-seven years I have witnessed a whole succession of technological revolutions. But none of them has done away with the need for character in the individual or the ability to think.

Let us not be deceived we are today in the midst of a cold war.

Recipe for success: Be polite, prepare yourself for whatever you are asked to do, keep yourself tidy, be cheerful, don't be envious, be honest with yourself so you will be honest with others, be helpful, interest yourself in your job, don't pity yourself, be quick to praise, be loyal to your friends, avoid prejudices, be independent, interest yourself in politics, and read the newspapers.