[we see that] science is eminently perfectible, and that each theory has constantly to give way to a fresh one.
"Though sleep is called our best friend, it is a friend who often keeps us waiting!"
The wisest man may be a blind father.
Is not a woman's heart unfathomable?
Trains, like time and tide, stop for no one.
One has only to follow events, and you will be all right. The surest way is to take whatever comes as it comes.