“Every judgement of conscience, be it right or wrong, be it about things evil in themselves or morally indifferent, is obligatory, in such wise that he who acts against his conscience always sins.”

Italian Dominican friar, priest, theologian, and philosopher of the 13th century

Thomas Aquinas was an Italian Dominican friar, priest, theologian, and philosopher of the 13th century. He is widely regarded as one of the most influential figures in Catholic theology and Western philosophy. He is best known as the founder of Thomism, the school of thought that developed around his work. His writing shaped later Christian theology and philosophical debate, and his name remains closely associated with reasoned argument about faith, ethics, and the structure of knowledge.