I know of nothing more laughable than a doctor who does not die of old age.
This self-love is the instrument of our preservation; it resembles the provision for the perpetuity of mankind: it is necessary, it is dear to us, it gives us pleasure, and we must conceal it.
Life is a shipwreck, but we must not forget to sing in the lifeboats.
He who seeks truth should be of no country.
It is the flash which appears, the thunderbolt will follow.
Changing a habit is hard work. But it's harder to find work that would be more fulfilling