Our beliefs are really rules for action.

The work that leads to a doctor's degree is a constant temptation to sacrifice one's growth as a man to one's growth as a specialist.

As a rule we disbelieve all the facts and theories for which we have no use.

Experience, as we know, has a way of boiling over, and making us correct our present formulas.

Great indeed is Fear; but it is not, as our military enthusiasts believe and try to make us believe, the only stimulus known for awakening the higher ranges of men's spiritual energy.

We forget that every good that is worth possessing must be paid for in strokes of daily effort. We postpone and postpone until those smiling possibilities are dead... By neglecting the necessary concrete labor, by sparing ourselves the little daily tax, we are positively digging the graves of our higher possibilities.

Tension is a habit. Relaxing is a habit. Bad habits can be broken, good habits formed.