Enhance Your Quote Experience
Enjoy ad-free browsing, unlimited collections, and advanced search features with Premium.
" "No human investigation can be called real knowledge if it does not pass through mathematical demonstrations; and if you say that the kinds of knowledge that begin and end in the mind have any value as truth, this cannot be conceded, but rather must be denied for many reasons, and first of all because in such mental discussions there is no experimentation, without which nothing provides certainty of itself.
Leonardo di ser Piero da Vinci (15 April 1452 – 2 May 1519) was an Italian Renaissance painter, architect, inventor, engineer, sculptor, and musician. His best known painting is the Mona Lisa.
Biography information from Wikiquote
Enjoy ad-free browsing, unlimited collections, and advanced search features with Premium.
Related quotes. More quotes will automatically load as you scroll down, or you can use the load more buttons.
Enjoy ad-free browsing, unlimited collections, and advanced search features with Premium.
Nothing is that which fills no space. If one single point placed in a circle may be the starting point of an infinite number of lines, and the termination of an infinite number of lines, there must be an infinite number of points separable from this point, and these when reunited become one again; whence it follows that the part may be equal to the whole.