To know one's own desires, their meaning and their costs requires the highest human virtue: rationality.

Love, friendship, respect, admiration are the emotional response of one man to the virtues of another, the spiritual payment given in exchange for the personal, selfish pleasure which one man derives from the virtues of another man’s character.

But this was that view of human destiny which she had most passionately hated and rejected: the view that man was ever to be drawn by some vision of the unattainable shining ahead, doomed ever to aspire, but not to achieve. Her life and her values could not bring her to that, she thought; she had never found beauty in longing for the impossible and had never found the possible to be beyond her reach.

In all proper relationships there is no sacrifice of anyone to anyone.

As we gain knowledge, we do not become more certain, we become certain of more.

To know one's own desires, their meaning and their costs requires the highest human virtue: rationality.

When one turns from reason to faith, when one rejects the absolutism of reality, one undercuts the absolutism of one's consciousness - and one's mind becomes an organ one cannot trust any longer. It becomes what the mystics claim it to be: a tool of distortion.