The real opposition is that ...

The real opposition is that between the ego-bound man, whose existence is structured by the principle of having, and the free man, who has overcome his egocentricity.
The real opposition is that between the ego-bound man, whose existence is structured by the principle of having, and the free man, who has overcome his egocentricity.

More phrases

It really is all about believing in yourself: 80 per cent mental, 20 per cent physical.
 Victoria Pendleton
Courage - a perfect sensibility of the measure of danger, and a mental willingness to endure it.
 William Tecumseh Sherman
Regardless of how you feel inside, always try to look like a winner. Even if you are behind, a sustained look of control and confidence can give you a mental edge that results in victory.
 Diane Arbus
Courage is rightly esteemed the first of human qualities... because it is the quality which guarantees all others.
Optimism is the faith that leads to achievement. Nothing can be done without hope and confidence.

Quotes from the same author

Man unites himself with the world in the process of creation.
Mother's love is peace. It need not be acquired, it need not be deserved.
The mother-child relationship is paradoxical and, in a sense, tragic. It requires the most intense love on the mother's side, yet this very love must help the child grow away from the mother, and to become fully independent.
We've wanted to produce more in the 19th century and the 20th century in order to give man the possibility for more dignified human life; but actually what has happened is that production and consumption have become means - have ceased to be means and have become ends, and we are production crazy and consumption crazy.
I would say, compared with the 19th century, compared with most previous history, this is as good or better a society than any which man has ever made. But that doesn't mean it is such a good one.