Leonardo di ser Piero da Vinci (15 April 1452 – 2 May 1519) was an Italian polymath of the High Renaissance who was active as a painter, draughtsman, engineer, scientist, theorist, sculptor, and architect. While his fame initially rested on his achievements as a painter, he has also become known...
As a well-spent day brings happy sleep, so life well used brings happy death.
Where the spirit does not work with the hand, there is no art.
You do ill if you praise, but worse if you censure, what you do not understand.
There art two cardinal sins from which all others spring: Impatience and Laziness.