Any fool can hope when success lies plainly in view. It wants genuine strength to hope when matters are hopeless.
Dirac found that the ratio of the electric force to the gravitational force of an electron-proton pair is roughly equal to the ratio of the age of the universe to the time it takes light to traverse an atom.
The body's ills are the least of ills, for they end only in death, which is but a little thing. But if the spirit dies, then all is lost.
