Every man bears something within him that, if it were publicly announced, would excite feelings of aversion.

God made man simple, but how he changed and got complicated is hard to say.

Hypotheses are the scaffolds which are erected in front of a building and removedd when the building is completed. They are indispensable to the worker; but the worker must not mistake the scaffolding for the building.

Don't give us your doubts, gives us your certainties, for we have doubts enough of our own.

Just begin and the mind grows heated; continue, and the task will be completed!

Take care of your body with steadfast fidelity. The soul must see through these eyes alone, and if they are dim, the whole world is clouded.

What makes people happy is activity; changing evil itself into good by power, working in a God like manner.