You do not sing because you're happy, you're happy because you sing.

There is no worse lie than a truth misunderstood bu those who hear it.

I wished by treating Psychology like a natural science, to help her become one.

[There are, in us] possibilities that take our breath away, and show a world wider than either physics or philistine ethics can imagine. Here is a world in which all is well, in spite of certain forms of death, death of hope, death of strength, death of responsibility, of fear and wrong, death of everything that paganism, naturalism and legalism pin their trust on.

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.

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.

Spiritual energy flows in and produces effects, psychological or material, within the phenomenal world.