“God sells us all things at the price of labor.”

“Men of lofty genius when they are doing the least work are most active.”

“Just as a well-filled day brings blessed sleep, so a well-employed life brings a blessed death”

“Water is the driving force in nature.”

“Human subtlety will never devise an invention more beautiful, more simple or more direct than does nature because in her inventions nothing is lacking, and nothing is superfluous.”

“Nothing should be so greatly feared as empty fame.”

“He is one of those who has had the wilderness for a pillow, and called a star his brother. Alone. But loneliness can be a communion.”

“The power we were given to think, is to enable us to live better lives, not fool more people.”

“Before speaking, consult your inner-truth barometer, and resist the temptation to tell people only what they want to hear.”

“The truth." Dumbledore sighed. "It is a beautiful and terrible thing, and should therefore be treated with great caution.”

“The truth is rarely pure and never simple.”

“Never tell the truth to people who are not worthy of it.”