A new opinion counts as true just in proportion as it gratifies the individual's desire to assimilate the novel in his experience to his beliefs in stock

If you want a confidence, act as if you already have it. Try the "as if" technique.

Both thought and feeling are determinants of conduct, and the same conduct may be determined either by feeling or by thought.

It is only in the lonely emergencies of life that our creed is tested: then routine maxims fail, and we fall back on our gods.

To spend life for something which outlasts it.

I am only a philosopher, and there is only one thing that a philosopher can be relied on to do, and that is, to contradict other philosophers.

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.