For a hungry man, green peas are more shiny than gleaming pearls.

If a man gives you a harsh winter, give him back something unexpected: The warm spring!

Freedom is the only real doctor of the sick slaves; and a good conscience, of the ill masters!

It is a good success to take people from the city to the forests; but there is a much greater success: To bring the forest to the people, to the cities! To bring heaven to the hell!

New ideas seem like frightening ghosts to people at the beginning; they run away from them for a long time, but they get tired of it in the end!

In dark days, your best shelter is your clever thoughts!

Simple things have greater power than the complicated things!