It's wonderful what we can do if we're always doing.
The keenest sorrow is to recognize ourselves as the sole cause of all our adversities.
Seize opportunity by the beard, for it is bald behind.
He's simply got the instinct for being unhappy highly developed.
It is impossible to walk rapidly and be unhappy.
In the absences of a decent time machine, fiction remains the most sturdy vehicle for visiting other eras.
Zoo: An excellent place to study the habits of human beings.