Here are some popular quotes and statements from Leonardo da Vinci.
"Simplicity is the ultimate sophistication."
"Art is never finished, only abandoned."
"Learning never exhausts the mind."
"The noblest pleasure is the joy of understanding."
"Water is the driving force of all nature."
"The smallest feline is a masterpiece."
"Nothing strengthens authority so much as silence."
"He who does not punish evil, commands it to be done."
"Our life is made by the death of others."
"As a well-spent day brings happy sleep, so a life well spent brings happy death."