Men fancied there might be other men upon Mars, perhaps inferior to themselves and ready to welcome a missionary enterprise.

The doctrine of the Kingdom of Heaven, which was the main teaching of Jesus, is certainly one of the most revolutionary doctrines that ever stirred and changed human thought.

The true objection to slavery is not that it is unjust to the inferior but that it corrupts the superior.

Is it any wonder that to this day this Galilean is too much for our small hearts?

An immense and ever-increasing wealth of knowledge is scattered about the world today; knowledge that would probably suffice to solve all the mighty difficulties of our age, but it is dispersed and unorganized. We need a sort of mental clearing house for the mind: a depot where knowledge and ideas are received, sorted, summarized, digested, clarified and compared.

The fertilising conflict of individualities is the ultimate meaning of the personal life.

Mankind which began in a cave and behind a windbreak will end in the disease-soaked ruins of a slum.