Instinct leads, logic does but follow.

How many of us persist in a precipitate course which, but for a moment of heedlessness we might never have entered upon, simply because we hate to change our minds.

The sway of alcohol over mankind is unquestionably due to its power to stimulate the mystical faculties of human nature, usually crushed to earth by the cold facts and dry criticisms of the sober hour.

Faith is synonymous with working hypothesis.

To be radical, an empiricism must neither admit into its constructions any element that is not directly experienced, nor exclude from them any element that is directly experienced.

My thinking is first and last and always for the sake of my doing, and I can only do one thing at a time.

It is our attitude at the beginning of a difficult task which, more than anything else, will affect its successful outcome.