There is a perfect ant, a perfect bee, but man is perpetually unfinished...Moreover, the incurable unfinishedness keeps man perpetually immature, perpetually capable of learning and growing.

The fear of becoming a 'has-been' keeps some people from becoming anything.

We do not usually look for allies when we love. Indeed, we often look on those who love with us as rivals and trespassers. But we always look for allies when we hate.

We can be satisfied with moderate confidence in ourselves and with a moderately good opinion of ourselves, but the faith we have in a holy cause has to be extravagant and uncompromising.

A peculiar side of credulity is that it is often joined with a proneness to imposture. The association of believing and lying is not characteristic solely of children. They inability or unwillingness to see things as they are promotes both gullibility and charlatanism.

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

When the Greeks said, Whom the gods love die young, they probably meant, as Lord Sankey suggested, that those favored by the gods stay young till the day they die; young and playful.