Truth Quotes

500+ Sourced quotes

Theodor W. Adorno
Christopher Columbus
Stephen King
René Descartes
Isaac Newton
John Locke
Mark Twain

If you would be a real seeker after truth, it is necessary that at least once in your life you doubt, as far as possible, all things.
Variant translation: The seeker after truth must, once in the course of his life, doubt everything, as far as is possible.

[...] all knowledge, and especially the weightiest knowledge of the truth, to which only a brief triumph is allotted between the two long periods in which it is condemned as paradoxical or disparaged as trivial.
Sometimes misquoted as: All truth passes through three stages. First, it is ridiculed. Second, it is violently opposed. Third, it is accepted as being self-evident.