Aristotle may be regarded as the cultural barometer of Western history. Whenever his influence dominated the scene, it paved the way for one of history's brilliant eras; whenever it fell, so did mankind.

The man who does not value himself, cannot value anything or anyone.

Productiveness is your acceptance of morality, your recognition of the fact that you choose to live.

My views on charity are very simple. I do not consider it a major virtue and, above all, I do not consider it a moral duty. There is nothing wrong in helping other people, if and when they are worthy of the help and you can afford to help them. I regard charity as a marginal issue. What I am fighting is the idea that charity is a moral duty and a primary virtue.

Observe, in politics, that the term extremism has become a synonym of "evil," regardless of the content of the issue (the evil is not what you are extreme about, but that you are "extreme" - i.e., consistent).

Truth is the recognition of reality; reason, man's only means of knowledge, is his only standard of truth.

The only purpose of education is to teach a student how to live his life-by developing his mind and equipping him to deal with reality. The training he needs is theoretical, i.e., conceptual. He has to be taught to think, to understand, to integrate, to prove. He has to be taught the essentials of the knowledge discovered in the past-and he has to be equipped to acquire further knowledge by his own effort.