I have sometimes been haunted with the idea that it was an imperative duty, knowing what I know, and having seen what I have seen, to do all that lies in my power to show the dangers and the evils of this frightful institution.
For industry to settle in a country, you first need electricity; for electricity, you need some trained workers; for trained workers, you need some schools; for schools you need some money; for money, you need some industry.
Arithmetic! Algebra! Geometry! Grandiose trinity! Luminous triangle! Whoever has not known you is without sense!