Leonardo da Vinci:

There are three classes of people: those who see, those who see when they are shown, those who do not see.

— Leonardo da Vinci Early Modern

Polymath, artist, inventor, scientist

Notebooks

c. 1490-1519

Verification

Unverifiable

Found in 1 providers: grok

Cross Reference

1 source

"I love those who can smile in trouble."

"Life well spent is long."

"The noblest pleasure is the joy of understanding."

"Where there is shouting, there is no true knowledge."

"The greatest gift is the passion for reading."

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