In the end we retain from our studies only that which we practically apply.

What is not started today is never finished tomorrow.

I do not now begin, - I still adore Her whom I early cherish'd in my breast; Then once again with prudence dispossess'd, And to whose heart I'm driven back once more. The love of Petrarch, that all-glorious love, Was unrequited, and, alas, full sad.

Oh God, how do the world and heavens confine themselves, when our hearts tremble in their own barriers!

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.

Unlimited activity, of whatever kind, must end in bankruptcy.

No prudent antagonist thinks light of his adversaries.