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Theory
5 Quotes
Quotes
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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
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Andr� Gide
No theory is good unless it permits, not rest, but the greatest work. No theory is good except on condition that one use it to go on beyond
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Albert Einstein
It is the theory that decides what can be observed
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Albert Einstein
A theory can be proved by experiment; but no path leads from experiment to the birth of a theory
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Johann Goethe
All theory, dear friend, is gray, but the golden tree of life springs ever green
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Quotes
Ralph Waldo Emerson
On Anger:
"For every minute you remain angry, you give up sixty seconds of peace of mind."
Essays
Friedrich Nietzsche
On Destiny:
"Our destiny exercises its influence over us even when, as yet, we have not learned its nature: it is our future that lays down the law of our today."
Human, All Too Human
Francis Bacon
On Friendship:
"A crowd is not company; and faces are but a gallery of pictures; and talk but a tinkling cymbal, where there is no love."
Essays