Quote by Frege, Gottlob

"A thought is a proposition which we apprehend."

"The word 'number' is surely not without a sense; but when we have the sentence 'the number of roots of this equation is four', it seems very difficult to give the meaning of the word 'number' here."

"Functions are concepts; concepts are functions."

"The content of a thought may have different kinds of parts."

"We're not just after treasure. We're preserving history."

"The mind is humanity's greatest tool."

"A tidy room reflects a tidy mind."

"You can learn a lot about a person by how they keep their space."