The painter will produce pictures of little merit if he takes the works of others as his standard.
Knowledge ... shall always bear witness like a clarion to its creator.
To speak well of a base man is much the same as speaking ill of a good man.
Instrumental or mechanical science is the noblest and above all others, the most useful.
I have been impressed with the urgency of doing.
Being engulfed in practice without delicate knowledge related to it, is in many ways like entering a ship without knowing where it is headed.