More quotes by Leonardo da Vinci

"Wisdom is the daughter of experience"
"All our knowledge has its origin in our perceptions"
"Art is never finished, only abandoned."
"The acquisition of knowledge is always of use to the intellect, because it may thus drive out useless things and retain the good. For nothing can be loved or hated unless it is first known."
"As every divided kingdom falls, so every mind divided between many studies confounds and saps itself."