Alexis Carrel said this quote

Man cannot remake himself without suffering, for he is both the marble and the sculptor

~ Alexis Carrel

The most efficient way to live reasonably is every morning to make a plan of one's day and every night to examine the results obtained.

~ Alexis Carrel

Those who desire to rise as high as our human condition allows, must renounce intellectual pride, the omnipotence of clear thinking, belief in the absolute power of logic.

~ Alexis Carrel

Science has to be understood in its broadest sense, as a method for comprehending all observable reality, and not merely as an instrument for acquiring specialized knowledge.

~ Alexis Carrel