It is the nature of grace always to fill spaces that have been empty.

Common sense is the genius of humanity.

If you start to think of your physical and moral condition, you usually find that you are sick.

The mortal race is far too weak not to grow dizzy on unwonted brights.

Superstition belongs to the essence of mankind and takes refuge, when one thinks one has suppressed it completely, in the strangest nooks and crannies; once it is safely ensconced there, it suddenly reappears.

If you wish to advance into the infinite, explore the finite in all directions.

Everything is hard before it is easy.