"Those who deny the existence of the truth postulate the truth of their denial and plainly contradict themselves."
Philosophical quotes
Philosophical
2K quotes on this topic — from poets, philosophers, and thinkers across history.
Explore further
Topics related to Philosophical
Browse quotes that often appear alongside philosophical — connected by shared ideas and recurring themes.
Quote collection
Philosophical quotes (page 29 of 98)
Follow a thought to its author, or read the full quote page.
"Philosophy is the science which considers truth."
"Character may almost be called the most effective means of persuasion."
"I have gained this from philosophy: that I do without being commanded what others do only from fear of the law."
"The secret to humor is surprise."
"An idea, to be suggestive, must come to the individual with the force of revelation."
"We are too weak to discover the truth by reason alone"
"There's a snake lurking in the grass."
"Good can exist without evil, whereas evil cannot exist without good."
"Certitude is seized by some minds, not because there is any philosophical justification for it, but because such minds have an emotional need for certitude."
"The beginning of wisdom is a definition of terms."
"Nothing is to be preferred before justice."
"What we like to think of ourselves and what we really are rarely have much in common."
"Science is a match that man has just got alight. He thought he was in a room - in moments of devotion, a temple - and that his light would be reflected from and display walls inscribed with wonderful secrets and pillars carved with philosophical systems wrought into harmony. It is a curious sensation, now that the preliminary splutter is over and the flame burns up clear, to see his hands and just a glimpse of himself and the patch he stands on visible, and around him, in place of all that human comfort and beauty he anticipated - darkness still."
"It is very significant that some of the most thoughtful and cultured men are partisans of a pure vegetable diet"
"Nothing can have value without being an object of utility."
"Capital is reckless of the health or length of life of the laborer, unless under compulsion from society."
"What Descartes did was a good step. You have added much several ways, and especially in taking the colours of thin plates into philosophical consideration. If I have seen a little further it is by standing on the shoulders of Giants."
"Because a thing seems difficult for you, do not think it impossible for anyone to accomplish."
"What is rational is actual and what is actual is rational"