Iron rusts from disuse; water loses its purity from stagnation... even so does inaction sap the vigor of the mind.

All experiences are preceded by mind, having mind as their master, created by mind.

A lot of people have pretty little heads, but it's difficult to find a pretty little mind.

Memories which someday will become all beautiful when the last annoyance that encumbers them shall have faded out of our minds.

The sole "property" of matter with whose recognition philosophical materialism is bound up is the property of being an objective reality, of existing outside the mind.

Anything you put your mind to and add your imagination into can make your life a lot better and a lot more fun.