The cardinal virtue of a teacher [is] to protect the pupil from his own influence.

The world is his who can see through its pretension. What deafness, what stone-blind custom, what overgrown error you behold, is there only by sufferance,--by your sufferance. See it to be a lie, and you have already dealt it its mortal blow.

We are immersed in beauty, but our eyes have no clear vision.

"Though many painters and sculptors talk glibly of "going in for photography," you will find that very few of them can ever make a picture by photography; they lack the science, technical knowledge, and above all the practice. Most people think they can play tennis, shoot, write novels, and photograph as well as any other person - until they try."

We must learn the language of facts. The most wonderful inspirations die with their subject, if he has no hand to paint them to the senses.

We have more than we use.

To different minds, the same world is a hell, and a heaven depending on whether they compare it to something better and so feel disappointed and bitter or something worse and so feel relieved and grateful.