"Poor is the man who desires a..." - Quote by Leonardo Da Vinci

“One day the world will look upon research upon animals as it now looks upon research on human beings.”

“When you put your hand in a flowing stream, you touch the last that has gone before and the first of what is still to come.”

“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 Difficulty lies, in finding out an exact Measure but eat for Necessity, not Pleasure, for Lust knows not where Necessity ends.”

“When you always want the next thing, every human being becomes a means to an end.”

“I have known more men destroyed by the desire to have wife and child and to keep them in comfort than I have seen destroyed by drink and harlots.”

“I am not only retired from all public employments, but I am retiring within myself, and shall be able to view the solitary walk and tread the paths of private life with heartfelt satisfaction.”

“One interesting thing about greed is that although the underlying motive is to seek satisfaction, the irony is that even after obtaining the object of your desire you are still not satisfied. The true antidote of greed is contentment.”

“I have no desire to desire, and people become like the uncarved wood by themselves.”