In framing a government which is to be administered by men over men, the great difficulty lies in this: you must first enable the government to control the governed; and in the next place, oblige it to control itself.

There are no secrets to success. It is the result of preparation, hard work, and learning from failure.

Intelligence is based on how efficient a species became at doing the things they need to survive.

With a tree, all the growth takes place at the growing tips. Humanity is exactly the same. All the growth takes place in the growing tip: among that one percent of the population. It's made up of pioneers, the beginners. That's where the action is.

The science of psychology has been far more successful on the negative than on the positive side... It has revealed to us much about man's shortcomings, his illnesses, his sins, but little about his potentialities, his virtues, his achievable aspirations, or his psychological health.

Man selects only for his own good: Nature only for that of the being which she tends.

The fact is that people are good, Give people affection and security, and they will give affection and be secure in their feelings and their behavior.

But behavior in the human being is sometimes a defense, a way of concealing motives and thoughts, as language can be a way of hiding your thoughts and preventing communication.

I’m a success today because I had a friend who believed in me and I didn’t have the heart to let him down.

Marriage is a school itself. Also, having children. Becoming a father changed my whole life. It taught me as if by revelation.

It is as necessary for man to live in beauty rather than ugliness as it is necessary for him to have food for an aching belly or rest for a weary body.