It is through geometry that one purifies the eye of the soul.
The soul of him who has education is whole and perfect and escapes the worst disease, but, if a man's education be neglected, he walks lamely through life and returns good for nothing to the world below.
Love is a grave mental illness.
Let no one ignorant of Mathematics enter here.
Take charge of your thoughts. You can do what you will with them
It gives me great pleasure to converse with the aged. They have been over the road that all of us must travel, and know where it is rough and difficult and where it is level and easy.