Our theories are wedged and controlled as nothing else is. Yet sometimes alternative theoretic formulas are equally compatible with all the truths we know, and then we choose between them for subjective reasons. We choose the kind of theory to which we are already partial: we follow 'elegenace' or 'economy'

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

It is only by risking our persons from one hour to another that we live at all. And often enough our faith beforehand in an uncertified result is the only thing that makes the result come true.

No decision is, in itself, a decision.

Keep the faculty of effort alive in you by a little gratuitous exercise every day.

What the whole community comes to believe in grasps the individual as in a vise.

Happiness comes of the capacity to feel deeply, to enjoy simply, to think freely, to risk life, to be needed. which give happiness. Thomas Jefferson We never enjoy perfect happiness; our most fortunate successes are mingled with sadness; some anxieties always perplex the reality of our satisfaction.