I much prefer the sharpest criticism of a single intelligent man to the thoughtless approval of the masses.
Johannes KeplerI myself, a professional mathematician, on re-reading my own work find it strains my mental powers to recall to mind from the figures the meanings of the demonstrations, meanings which I myself originally put into the figures and the text from my mind. But when I attempt to remedy the obscurity of the material by putting in extra words, I see myself falling into the opposite fault of becoming chatty in something mathematical.
Johannes Kepler...for a long time I wanted to become a theologian... now, however, behold how through my efforts God is being debated in astronomy.
Johannes Kepler