As for difficulties," replied Ferguson, in a serious tone, "they were made to be overcome.
Therever fortune clears a way, thither our ready footsteps stray.
The chance which now seems lost may present itself at the last moment.
What you do for money you do badly.
However, everything has an end, everything passes away, even the hunger of people who have not eaten
Science, my lad, is made up of mistakes, but they are mistakes which it is useful to make, because they lead little by little to the truth.