A man can live and be healthy without killing animals for food; therefore, if he eats meat, he participates in taking animal life merely for the sake of his appetite.

If a man, before he passed from one stage to another, could know his future life in full detail, he would have nothing to live for. It is the same with the life of humanity. If it had a programme of the life which awaited it before entering a new stage, it would be the surest sign that it was not living, nor advancing, but simply rotating in the same place.

In order to carry through any undertaking in family life, there must necessarily be either complete division between the husband and wife, or loving agreement. When the relations of a couple are vacillating and neither one thing nor the other, no sort of enterprise can be undertake. Many families remain for years in the same place, though both husband and wife are sick of it, simply because there is neither complete division nor agreement between them.

And that which yesterday was the novel opinion of one man, to-day becomes the general opinion of the majority.

We must not only cease our present desire for the growth of the state, but we must desire its decrease, its weakening.

It is easier to produce ten volumes of philosophical writings than to put one principle into practice.

The Jew - is the symbol of eternity. ... He is the one who for so long had guarded the prophetic message and transmitted it to all mankind. A people such as this can never disappear.