Not everything that counts can be counted, and not everything that can be counted counts.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
Mathematics, like dialectics, is an instrument of the inner higher sense, this sense is the sense of analogy.
I am never satisfied until I have said as much as possible in a few words, and writing briefly takes far more time than writing at length.
Without mathematics, there’s nothing you can do. Everything around you is mathematics. Everything around you is numbers.
God may not play dice with the universe, but something strange is going on with the prime numbers.
Mathematics compares the most diverse phenomena and discovers the secret analogies that unite them.
Do not worry about your difficulties in Mathematics. I can assure you mine are still greater.
Mathematics is the result of mysterious powers which no one understands, and which the unconscious recognition of beauty must play an important part.