Geach, Peter

"To speak poorly is to think poorly; the two are inseparable."

"Confusion of terms leads to confusion of mind."

"A weak argument is worse than silence; it corrupts conviction."

"True knowledge demands that we question our assumptions relentlessly."

"The examined life is not a luxury; it is a necessity."

"Language shapes reality; careless speech creates careless thinking."

"To accept contradiction is to abandon reason itself."

"A mind that entertains all ideas equally is a mind enslaved."

"Precision in thought requires precision in speech."

"The philosopher's task is to make the implicit explicit."

"To evade a question is to admit defeat in the pursuit of truth."

"Reason is not the enemy of faith; unclear thinking is."

"A logical fallacy accepted becomes a habit of mind."

"The burden of proof rests with the one making the claim."

"Muddled language is the refuge of muddled thinking."

"To understand another's position, one must first understand one's own."

"Clarity of expression is a mark of clarity of mind."

"A principle worth nothing is a principle worth nothing."

"The lazy thinker mistakes complexity for profundity."

"To assert without argument is to invite skepticism."

"Language is the mirror of the mind; keep it clean."

"A contradiction cannot be true, no matter how passionately held."

"To think is to disagree with oneself."

"The mind grows through resistance, not through ease."

"Precision breeds understanding; vagueness breeds confusion."

"A statement that explains everything explains nothing."

"To accept an argument is to accept its consequences."

"Words misused become weapons against truth."

"The pursuit of wisdom requires the admission of ignorance."

"Logic is not tyrannical; it is liberating."