Energy is the basis of everything. Every Jew, no matter how insignificant, is engaged in some decisive and immediate pursuit of a goal... It is the most perpetual people of the earth.

If your treat an individual... as if he were what he ought to be and could be, he will become what he ought to be and could be.

Things which matter most must never be at the mercy of things which matter least.

We amuse ourselves painting our prison-walls with bright figures and brilliant landscapes.

The clever reader who is capable or reading between these lines what does not stand written in them but is nevertheless implied will be able to form some conception.

One lives but once in the world.

If the world does improve on the whole, yet youth must always begin anew, and go through the stages of culture from the beginning.