You can only form the minds of reasoning animals upon Facts: nothing else will ever be of any service to them. Stick to Facts, sir!"

Take nothing on its looks: take everything on evidence. There's no better rule.

"An idea, like a ghost . . . must be spoken to a little before it will explain itself."

"Train up a fig-tree in the way it should go, and when you are old sit under the shade of it."

"Ride on! Rough-shod if need be, smooth-shod if that will do, but ride on! Ride on over all obstacles, and win the race!"