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.

More quotes by Leonardo da Vinci

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"Beyond a doubt truth bears the same relation to falsehood as light to darkness."

- Leonardo da Vinci

Awareness

"Blinding ignorance does mislead us. O! Wretched mortals, open your eyes!"

- Leonardo da Vinci

Awareness

"The greatest deception men suffer is from their own opinions."

- Leonardo da Vinci

Self-awareness

"If you are alone, you belong entirely to yourself. If you are accompanied by even one companion, you belong only half to yourself or even less in proportion to the thoughtlessness of his conduct, and if you have more than one companion, you will fall more deeply into the same plight."

- Leonardo da Vinci

Self-awareness

"Poor is the pupil who does not surpass his master."

- Leonardo da Vinci

Inspiration

More Knowledge Quotes

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"Knowledge is that which benefits not that which is memorized."

- Imam al-Shafi’i (RA)

Knowledge

"I didnt get over 1300 walks without knowing the strike zone."

- Wade Boggs

Knowledge

"Everyone you will ever meet knows something you don’t."

- Bill Nye

Knowledge

"The secret to success is to know something nobody else knows."

- Aristotle Onassis

Knowledge

"Knowledge is not power. The implementation of knowledge is power."

- Larry Winget

Knowledge