To those searching for truth -- not the truth of dogma and darkness but the truth brought by reason, search, examination, and inquiry, discipline is required. For faith, as well intentioned as it may be, must be built on facts, not fiction -- faith in fiction is a damnable false hope.

The only thing I use my body for is to carry my brain around.

I can never pick up a thing without wishing to improve it.

The perils of overwork are slight compared with the dangers of inactivity.

I never pick up an item without thinking of how I might improve it.

Genius? Nothing! Sticking to it is the genius! Any other bright-minded fellow can accomplish just as much if he will stick like hell and remember nothing that's any good works by itself. You've got to make the damn thing work!...I failed my way to success.

I am so deaf I am debarred from hearing all the time articulation and have to depend on the judgment of others.