We are striking it big in the electric light, better than my vivid imagination first conceived. Where this thing is going to stop Lord only knows.

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

Incurably religious, that is the best way to describe the mental condition of so many people.

Sleep is like a drug. Take too much at a time and it makes you dopey. You lose time and opportunities.

Ideas without execution are hallucinations.

Fooling around with alternating currents is just a waste of time. Nobody will use it, ever. It's too dangerous . . . it could kill a man as quick as a bolt of lightning. Direct current is safe.

Religion is all bunk.