Our best built certainties are but sand-houses and subject to damage from any wind of doubt that blows

Experience teaches us only one thing at a time - and hardly that, in my case.

The vast majority of the race whether savage or civilized, are secretly kind at heart and shrink from inflicting pain, but in the presence of the aggressive and pitiless minority they don't dare to assert themselves.

One frequently only finds out how really beautiful a really beautiful woman is after considerable acquaintance with her; and the rule applies to Niagara Falls, to majestic mountains, and to mosques-especially to mosques.

Experience, the only logic sure to convince a diseased imagination and restore it to rugged health.

Wisdom teaches us that none but birds should go out early, and that not even birds should do it unless they are out of worms.

I always take Scotch whiskey at night as a preventive of toothache. I have never had the toothache; and what is more, I never intend to have it.