If moderation is a fault, then indifference is a crime.

If another Messiah was born he could hardly do so much good as the printing-press.

Just as we outgrow a pair of trousers, we outgrow acquaintances, libraries, principles, etc., at times before they're worn out and times - and this is the wors…

I have scattered seeds of ideas on almost every page which, if they fall on the right soil, may grow into chapters and even whole dissertations.

What's to become of the morally sound? Left out in the cold, I suppose. We must heal the sick.

The worst sin towards our fellow creatures is not to hate them, but to be indifferent to them: that's the essence of inhumanity.

A man is really ethical only when he obeys the constraint laid on him to help all life which he is able to succor, and when he goes out of his way to avoid inj…