The essence of optimism is that it takes no account of the present, but it is a source of inspiration, of vitality and hope where others have resigned it enables a man to hold his head high, to claim the future for himself and not to abandon it to his enemy.

God's truth judges created things out of love, and Satan's truth judges them out of envy and hatred.

A god who let us prove his existence would be an idol.

The essence of optimism is that it takes no account of the present, but it is a source of inspiration, of vitality and hope where others have resigned it enables a man to hold his head high, to claim the future for himself and not to abandon it to his enemy.

It is the nature, and the advantage, of strong people that they can bring out the crucial questions and form a clear opinion about them. The weak always have to decide between alternatives that are not their own.