It is so human a book that I don't see how belief in its divine authority can survive the reading of it.

Don't preach too much to your pupils or abound in good talk in the abstract. Lie in wait rather for the practical opportunities, be prompt to seize those as they pass, and thus at one operation get your pupils both to think, to feel, and to do.

No matter how full a reservoir of maxims one may possess, and no matter how good one's sentiments may be, if one has not taken advantage of every concrete opportunity to act, one's character may remain entirely unaffected for the better.

... the intellect, everywhere invasive, shows everywhere its shallowing effect.

You must bring out of each word its practical cash-value, set it at work within the stream of your experience.

The mind, in short, works on the data it receives very much as the sculptor works on his block of stone.

Why may we not be in the universe, as our dogs and cats are in our drawingrooms and libraries?