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Leonardo Da Vinci

Leonardo Da Vinci
When you are alone you are all your own.
Poor is the pupil who does not surpass his master.
Without courage, wisdom bears no fruit.
Obstacles cannot crush me. Every obstacle yields to stern resolve. He who is fixed to a star does not change his mind.
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.
Simplicity is the ultimate sophistication.
I have been impressed with the urgency of doing. Knowing is not enough; we must apply. Being willing is not enough; we must do.
As every divided kingdom falls, so every mind divided between many studies confounds and saps itself.
Iron rusts from disuse; stagnant water loses its purity and in cold weather becomes frozen; even so does inaction sap the vigor of the mind.
As a well-spent day brings happy sleep, so life well used brings happy death.
Anyone who invokes authors in discussion is not using his intelligence but his memory.
Where the spirit does not work with the hand, there is no art.
I have from an early age abjured the use of meat, and the time will come when men will look upon the murder of animals as they now look upon the murder of men.
A well-spent day brings happy sleep.