Man's chief goal in life is ...

Man\'s chief goal in life is still to become and stay human, and defend his achievements against the encroachment of nature.
Man's chief goal in life is still to become and stay human, and defend his achievements against the encroachment of nature.

More phrases

If a man watches three football games in a row, he should be declared legally dead.
The truth is not for all men, but only for those who seek it.
A man must be big enough to admit his mistakes, smart enough to profit from them, and strong enough to correct them.
Each man has his own vocation; his talent is his call. There is one direction in which all space is open to him.
The superior man is modest in his speech but exceeds in his actions.

Quotes from the same author

In times of change, learners inherit the earth, while the learned find themselves beautifully equipped to deal with a world that no longer exists.
The Paleolithic hunters who painted the unsurpassed animal murals on the ceiling of the cave at Altamira had only rudimentary tools. Art is older than production for use, and play older than work. Man was shaped less by what he had to do than by what he did in playful moments. It is the child in man that is the source of his uniqueness and creativeness, and the playground is the optimal milieu for the unfolding of his capacities.
You cannot gauge the intelligence of an American by talking with him; you must work with him. The American polishes and refines his way of doing things-even the most commonplace-the way the French of the 17th century polished their maxims.
Craving, not having, is the mother of a reckless giving of oneself.
The misery of a child is interesting to a mother, the misery of a young man is interesting to a young woman, the misery of an old man is interesting to nobody.