In politics experiments means revolutions.
Departure should be sudden.
It is well-known what a middleman is: he is a man who bamboozles one party and plunders the other.
We make our own fortune and call it destiny.
Read no history: nothing but biography, for that is life without theory.
We are now in want of an art to teach how books are to be read rather than to read them. Such an art is practicable.