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

The art of remembering is the art of thinking. When we wish to fix a new thing in either our own mind or a pupil's, our conscious effort should not be so much to impress and retain it as to connect it with something else already there. The connecting is the thinking; and, if we attend clearly to the connection, the connected thing will certainly be likely to remain within recall.

Nothing is so fatiguing as the eternal hanging on of an uncompleted task.

If it works, it's true.

The old question of whether there is design is idle. The real question is what is the world, whether or not it have a designer--and that can be revealed only by the study of all nature's particulars.

The sovereign cure for worry is prayer.

Every sort of energy and endurance, of courage and capacity for handling life's evils, is set free in those who have religious faith.