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

It is true that impatience, the mother of stupidity, praises brevity, as if such persons had not life long enough to serve them to acquire a complete knowledge of one single subject, such as the human body; and then they want to comprehend the mind of God in which the universe is included, weighing it minutely and mincing it into infinite parts, as if they had to dissect it!

Strong minds discuss ideas, average minds discuss events, weak minds discuss people.

The mind that engages in subjects of too great variety becomes confused and weakened.

Mind precedes all mental states. Mind is their chief; they are all mind-wrought. If with a pure mind a person speaks or acts happiness follows him like his never-departing shadow.

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