Being engulfed in practice without delicate knowledge related to it, is in many ways like entering a ship without knowing where it is headed.

The painter will produce pictures of little merit if he takes the works of others as his standard.

The motive power is the cause of all life.

It is better to imitate ancient than modern work.

Inaction saps the vigor of the mind.

To enjoy - to love a thing for its own sake and for no other reason.

I wish to work miracles.