I am giving this winter two courses of lectures to three students, of which one is only moderately prepared, the other less than moderately, and the third lacks both preparation and ability. Such are the onera of a mathematical profession.
Carl Friedrich GaussI have had my results for a long time: but I do not yet know how I am to arrive at them.
Carl Friedrich GaussWhen I have clarified and exhausted a subject, then I turn away from it, in order to go into darkness again.
Carl Friedrich GaussSin2 ฯ is odious to me, even though Laplace made use of it; should it be feared that sin2 ฯ might become ambiguous, which would perhaps never occur, or at most very rarely when speaking of sin(ฯ2), well then, let us write (sin ฯ)2, but not sin2 ฯ, which by analogy should signify sin (sin ฯ)
Carl Friedrich Gauss