Leonardo da Vinci:

He who loves practice without theory is like the sailor who boards ship without a rudder and compass and never knows where he may cast.

— Leonardo da Vinci Early Modern

Polymath, artist, inventor, scientist

Notebooks

c. 1500s

Verification

Confirmed

Found in 2 providers: grok,gemini

Cross Reference

2 sources

"Art is never finished, only abandoned."

"The knowledge of all things is possible."

"The mind of the painter is a mirror of the world."

"Truth was the only daughter of time."

"The human foot is a masterpiece of engineering and a work of art."