I believe that man is the product of natural evolution that is born from the conflict of being a prisoner and separated from nature, and from the need to find unity and harmony with it.

I believe that the unity of man as opposed to other living things derives from the fact that man is the conscious life of himself. Man is conscious of himself,…

I believe that the nature of man is a contradiction rooted in the conditions of human existence that requires a search for solutions, which in their turn creat…

To speak of love is not 'preaching,' for the simple reason that it means to speak of the ultimate and real need of every human being. That this need has been o…

For human nature, being more highly pitched, selved, and distinctive than anything in the world, can have been developed, evolved, condensed, from the vastness…

Appealing to his Einstein's way of expressing himself in theological terms, I said: If God had wanted to put everything into the universe from the beginning, H…

The enduring is something which must be accounted for. One cannot simply shrug it off. [citation needed] Why is there such a gap between nonspeaking animals an…