Miracles arise from our ignorance of nature, not from nature itself.

A man must always study, but he must not always go to school: what a contemptible thing is an old abecedarian!

Learned we may be with another man's learning: we can only be wise with wisdom of our own.

Every one rushes elsewhere and into the future, because no one wants to face one's own inner self.

The entire lower world was created in the likeness of the higher world. All that exists in the higher world appears like an image in this lower world; yet all this is but One.

Nor is it enough to toughen up his soul; you must also toughen up his muscles.

The first lessons with which we should irrigate his mind should be those which teach him to know himself, and to know how to die ... and to live.