„Is there a thinker apart from thought?“

— Jiddu Krishnamurti
„It is a terrible thought, to contemplate that an immense number of mediocre thinkers are occupied with really influential matters.“
— Friedrich Nietzsche
„The books that help you most are those which make you think the most. The hardest way of learning is that of easy reading; but a great book that comes from a great thinker is a ship of thought, deep freighted with truth and beauty.“
— Pablo Neruda
„When artists create pictures and thinkers search for laws and formulate thoughts, it is in order to salvage something from the great dance of death, to make something that lasts longer than we do.“
— Hermann Hesse
„The only profound thinkers are the ones who do not suffer from a sense of the ridiculous.“
— Emil M. Cioran