李奥纳多·达文西，又译达芬奇，全名李奥纳多·迪·塞尔·皮耶罗·达文西，是义大利文艺复兴时期的一个博学者：在绘画、音乐、建筑、数学、几何学、解剖学、生理学、动物学、植物学、天文学、气象学、地质学、地理学、物理学、光学、力学、发明、土木工程等领域都有显著的成就。

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“Painting is poetry that is seen rather than felt, and poetry is painting that is felt rather than seen.”

“A painter should begin every canvas with a wash of black, because all things in nature are dark except where exposed by the light.”

“Once you have tasted flight, you will forever walk the earth with your eyes turned skyward, for there you have been, and there you will always long to return.”

“Study without desire spoils the memory, and it retains nothing that it takes in.”

“It had long since come to my attention that people of accomplishment rarely sat back and let things happen to them. They went out and happened to things.”

“The painter has the Universe in his mind and hands.”

“Nothing strengthens authority so much as silence.”

“I love those who can smile in trouble...”

“One can have no smaller or greater mastery than mastery of oneself.”

“The noblest pleasure is the joy of understanding.”

“I have from an early age abjured the use of meat, and the time will come when men such as I will look upon the murder of animals as they now look upon the murder of men.”

“Nothing can be loved or hated unless it is first understood.”

“The smallest feline is a masterpiece.”

“Art is never finished, only abandoned.”

“As a well spent day brings happy sleep, so life well used brings happy death.”

“Learning never exhausts the mind.”

“I love those who can smile in trouble, who can gather strength from distress, and grow brave by reflection. 'Tis the business of little minds to shrink, but they whose heart is firm, and whose conscience approves their conduct, will pursue their principles unto death”

“The knowledge of all things is possible”

“The greatest deception men suffer is from their own opinions.”

“As you cannot do what you want,
Want what you can do”

“The greatest deception men suffer is from their own opinions.”

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

“I have been impressed with the urgency of doing. Knowing is not enough; we must apply. Being willing is not enough; we must do.”

“It is easier to resist at the beginning than at the end.”

“The deeper the feeling, the greater the pain”