And this our life, exempt from public haunt, finds tongues in trees, books in the running brooks, sermons in stones, and good in everything.
— William Shakespeare [As You Like It: Act II, Scene 1.]
In the universe, there are things that are known and things that are unknown, and in between there are doors.
— William Blake
Ideals are like the stars: we never reach them, but like the mariners of the sea, we chart our course by them.
— Carl Schurz