Rene Descartes — "The preservation of health has always been the principal end of my studies."
The preservation of health has always been the principal end of my studies.
The preservation of health has always been the principal end of my studies.
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"I should know better than to believe that everything I perceive through my senses is true."
"To be able to live without fear, without anxiety, without sadness, and without any other passion which could disturb the tranquillity of the soul."
"I have never found anything in the works of the ancient philosophers that compares to the certainty I have found in mathematics."
"The mind is a substance whose whole essence or nature is to think, and which needs no place, nor depends on any material thing, in order to exist."
"I concluded that I was a substance whose whole essence or nature consists only in thinking, and that, in order to exist, it needs no place and depends on no material thing."
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