Not he who has much is rich, but he who gives much.

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.

In times of change, learners inherit the earth

To be loved because of one's merit, because one deserves it, always leaves doubt; maybe I did not please the person whom I want to love me, maybe this, or that - there is always a fear that love could disappear.

True love is like a pair of socks: you gotta have two and they've gotta match.

If a person loves only one other person and is indifferent to all others, his love is not love but a symbiotic attachment, or an enlarged egotism.

The lust for power is not rooted in strength but in weakness.