Avoid the precepts of those thinkers whose reasoning is not confirmed by experience.

The artist sees what others only catch a glimpse of.

Abbreviators do harm to knowledge and to love.

Feathers shall raise men even as they do birds towards heaven :- That is by letters written with their quills.

Thou, O God, dost sell us all good things at the price of labor.

A deaf and dumb person who sees two men in conversation - may nevertheless understand from the attitudes and gestures of the speakers, how well their discussion is getting along.

No human investigation can be called real science if it cannot be demonstrated mathematically.