"True happiness is to enjoy the present, without anxious dependence upon the future, not to amuse ourselves with either hopes or fears but to rest satisfied with what we have, which is sufficient, for he that is so wants nothing. The greatest blessings of mankind are within us and within our reach. A wise man is content with his lot, whatever it may be, without wishing for what he has not."
"errare humanum est, sed perseverare diabolicum: 'to err is human, but to persist (in the mistake) is diabolical."
"True happiness is to enjoy the present, without anxious dependence upon the future, not to amuse ourselves with either hopes or fears but to rest satisfied with what we have, which is sufficient, for he that is so wants nothing. The greatest blessings of mankind are within us and within our reach. A wise man is content with his lot, whatever it may be, without wishing for what he has not."
"Wherever there is a human being, there is an opportunity for crisis."
"No man was ever wise by chance"
"The final hour when we cease to exist does not itself bring death; it merely of itself completes the death-process. We reach death at that moment, but we have been a long time on the way."