I hold that the mark of a genuine idea is that its possibility can be proved, either a priori by conceiving its cause or reason, or a posteriori when experience teaches us that it is in fact in nature.
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Nationality: German Type: Philosopher Born: July 1, 1646 Death: November 14, 1716 |
“Healthy children will not fear life if their elders have integrity enough not to fear death.”
“When are we going to say cancer is cured? I'm not sure when that will happen, if that will happen because cancer is a very slippery disease and it involves a vast number of cells in the body and those cells are continually mutating.”