Science and art belong to the whole world, and before them vanish the barriers of nationality.

Life is not anything, but an opportunity for something.

That which thy fathers have bequeathed to thee, earn it anew if thou wouldst possess it.

Truth has to be repeated constantly, because Error also is being preached all the time, and not just by a few, but by the multitude. In the Press and Encyclopaedias, in Schools and Universities, everywhere Error holds sway, feeling happy and comfortable in the knowledge of having Majority on its side.

To tremble before anticipated evils is to bemoan what thou hast never lost.

When two men quarrel, who owns the cooler head is the more to blame.

Does not man lack the force at the very point where he needs it most? And when he soars upward in joy, or sinks down in suffering, is not checked in both, is he not returned again to the dull, cold sphere of awareness, just when he was longing to lose himself in the fullness of the infinite.