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

Kalau kausingkirkan semua yang mustahil, apa pun yang tersisa, betapapun mustahilnya, adalah kebenaran.

To let the brain work without sufficient material is like racing an engine. It racks itself to pieces. The sea air, sunshine, and patience, Watson—all else will come.

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

I never make exceptions. An exception disproves the rule.

You have probably never heard of Professor Moriarty? said he.