Thus he believed that children were indeed the kingdom of heaven, but nevertheless ought to be obedient to the kingdom of earth.

He admired youth because it was young and age because it was not.

It is exactly this balance of apparent contradictions that has been the whole buoyancy of the healthy man.

The whole secret of mysticism is this: that man can understand everything by the help of what he does not understand.

The morbid logician seeks to make everything lucid, and succeeds in making everything mysterious.