World History Tutoring in Sierra Madre

What other dungeon is so dark as one's own heart. What jailer so inexorable as one's self?
Nathaniel Hawthorne

We learn by teaching.
Traditional Proverb

The heart that loves is always young.
Greek Proverb

What is algebra exactly; is it those three-cornered things?
Matthew Barrie

Revolutions never occur in math.
Michael Crowe

I don't agree with mathematics; the sum total of zeros is a frightening figure.
Stanislaw J. Lec

Pure math is, in its way, the poetry of logical ideas.
Roger Bacon

World History Tutoring in Sierra Madre