

“The acquisition of any 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.”
Traced to The Notebooks of Leonardo da Vinci (1883).
More from Leonardo da Vinci
“While I thought I have been learning how to live, I have been learning how to die.”
Leonardo da Vinci
The Notebooks of Leonardo da Vinci (MacCurdy translation) · 1938
verified“Truth was the only daughter of Time.”
Leonardo da Vinci
The Notebooks of Leonardo da Vinci · 1883
verified“Experience never errs; it is only your judgments that err by promising themselves effects such as are not caused by your experiments.”
Leonardo da Vinci
The Notebooks of Leonardo da Vinci · 1883
verified“Obstacles cannot crush me. Every obstacle yields to stern resolve. He who is fixed to a star does not change his mind.”
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The Notebooks of Leonardo da Vinci · 1883
verified“The greatest deception men suffer is from their own opinions.”
Leonardo da Vinci
The Notebooks of Leonardo da Vinci · 1883
verified“The water you touch in a river is the last of that which has passed, and the first of that which is coming. Thus it is with time present.”
Leonardo da Vinci
The Notebooks of Leonardo da Vinci · 1883
verifiedMore Wisdom quotes
“Happiness is the final and perfect fruit of obedience to the laws of life.”
Helen Keller
The Simplest Way to be Happy · 1933
verified“The highest result of education is tolerance.”
Helen Keller
Optimism · 1903
verified“Example is the best lesson there is.”
Eleanor Roosevelt
Tomorrow Is Now · 1963
verified“Only a man's character is the real criterion of worth.”
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My Day · 1944
verified“It isn't enough to talk about peace. One must believe in it. And it isn't enough to believe in it. One must work at it.”
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Voice of America broadcast · 1951
verified“In the long run, we shape our lives and we shape ourselves. The process never ends until we die. And the choices we make are ultimately our own responsibility.”
Eleanor Roosevelt
You Learn by Living · 1960
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