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.

I get in the dumps at times, and don't open my mouth for days on end. You must not think I am sulky when I do that. Just let me alone, and I'll soon be right.

horses: dangerous on both ends and crafty in the middle

Some facts should be suppressed, or, at least, a just sense of proportion should be observed in treating them.

One forms provisional theories and waits for time or fuller knowledge to explode them. A bad habit, Mr. Ferguson, but human nature is weak. Sherlock Holmes speaking with Dr. Watson.

Healthy scepticism is the basis of all accurate observation.

You have done all the work in this business. I get a wife out of it, Jones gets the credit, pray what remains for you?" "For me," said Sherlock Holmes, "there still remains the cocaine bottle.