I have learned never to ridicule any man's opinion, however strange it may seem

You see, but you do not observe

A man should keep his little brain attic stocked with all the furniture that he is likely to use, and the rest he can put away in the lumber-room of his library, where he can get it if he wants it.

I never remember feeling tired by work, though idleness exhausts me completely

When the spirits are low, when the day appears dark, when work becomes monotonous, when hope hardly seems worth having, just mount a bicycle and go out for a spin down the road, without thought on anything but the ride you are taking

Skill is fine, and genius is splendid, but the right contacts are more valuable than either