We must be careful not to confuse data with the abstractions we use to analyse them.

If you only care enough for a result, you will almost certainly attain it. Only you must, then, really wish these things, and wish them exclusively, and not wish at the same time a hundred other incompatible things just as strongly.

All our scientific and philosophic ideals are altars to unknown gods.

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

Mental fire is what won't burn real sticks; mental water is what won't necessarily (though of course it may) put out even a mentalfire.

O my Bergson, you are a magician, and your book is a marvel, a real wonder in the history of philosophy . . . In finishing it I found . . . such a flavor of persistent euphony, as of a rich river that never foamed or ran thin, but steadily and firmly proceeded with its banks full to the brim.

Seek out that particular mental attribute which makes you feel most deeply and vitally alive, along with which comes the inner voice which says, 'This is the real me,' and when you have found that attitude, follow it.