"Men learn while they teach." -- Seneca
"A man is but what he knows." -- Francis Bacon
"If money is your hope for independence you will never have it. The only real security that a man will have in this world is a reserve of knowledge, experience, and ability." -- Henry Ford
"Be curious always! For knowledge will not acquire you: you must acquire it." -- Sudie Back
"He who opens a school door, closes a prison door." -- Victor Hugo
"You can lose your job, you can lose material items, but you can never lose your knowledge. The money we invest in ourselves to further increase our knowledge is truly an investment in our future." -- Catherine Pulsifer, from What Do You Feed Your Mind?
"Children are educated by what the grown-up is and not by his talk." -- Carl Gustav Jung
"Today knowledge has power. It controls access to opportunity and advancement." -- Peter F. Drucker
"Not to know is bad; not to wish to know is worse." -- African Proverb
"To teach is to learn twice." -- Joseph Joubert