An arch consists of two weaknesses which, leaning one against the other, make a strength.
Leonardo da VinciI abhor the supreme folly of those who blame the disciples of nature in defiance of those masters who were themselves her pupils
Leonardo da VinciA luminous body will appear more brilliant in proportion as it is surrounded by deeper shadow.
Leonardo da VinciThe sun gives spirit and life to the plants and the earth nourishes them with moisture.
Leonardo da VinciO time, swift robber of all created things, how many kings, how many nations hast thou undone, and how many changes of states and of various events have happened since the wondrous forms of this fish perished here in this cavernous and winding recess. Now destroyed by time thou liest patiently in this confined space with bones stripped and bare; serving as a support and prop for the superimposed mountain.
Leonardo da Vinci