Those who fall in love with practice without science are like a sailor who enters a ship without a helm or a compass, and who never can be certain whither he is going.


The Notebooks of Leonardo da Vinci (Richter, 1888) - XIX Philosophical Maxims. Morals. Polemics and Speculations.

Leonardo da Vinci Quotes

Those who fall in love with practice without science are like a sailor who enters a ship without a helm or a compass, and who never can be certain...

Those who fall in love with practice without science are like a sailor who enters a ship without a helm or a compass, and who never can be certain...

Those who fall in love with practice without science are like a sailor who enters a ship without a helm or a compass, and who never can be certain...

Those who fall in love with practice without science are like a sailor who enters a ship without a helm or a compass, and who never can be certain...