“I believe that the future of humanity is in the progress of reason through science. I believe that the pursuit of truth, through science, is the divine ideal which man should propose to himself.”

“I believe that all is illusion and vanity outside the treasure of truths slowly accumulated, and which will never again be lost. I believe that the sum of these truths, always increasing, will at l...”

“Keep well that is the half of wisdom and of happiness.”

“Up to this day, there has been no proof of the existence of any intelligence other than the human.”

“If you shut up truth, and bury it underground, it will but grow.”

“I am little concerned with beauty or perfection. I don't care for the great centuries. All I care about is life, struggle, intensity.”

“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.”

“Facts are many, but the truth is one.”

“I think the truth is black-and-white.”

“The truth is, as most of us know, that global warming is real and humans are major contributors, mainly because we wastefully burn fossil fuels.”

“Stop being conned by the old mantra that says, 'Leaders are cool, managers are dweebs.' Instead, follow the Peters Principle: Leaders are cool. Managers are cool too!”

“I get up in the morning, torture a typewriter until it screams, then stop.”

“He who puts out his hand to stop the wheel of history will have his fingers crushed.”