I think middle-age is the best time, if we can escape the fatty degeneration of the conscience which often sets in at about fifty.

Over-population is a phenomenon connected with the survival of the unfit, and it is a mechanism which has created conditions favourable to the survival of the unfit and the elimination of the fit.

Admiration for ourselves and our institutions is too often measured by our contempt and dislike for foreigners.

Hatred toward any human being cannot exist in the same heart as love to God.

If we feel that any habit or pursuit, harmless in itself, is keeping us from God and sinking us deeper in the things of earth; if we find that things which others can do with impunity are for us the occasion of falling, then abstinence is our only course. Abstinence alone can recover for us the real value of what should have been for our help but which has been an occasion of falling. ... It is necessary that we should steadily resolve to give up anything that comes between ourselves and God.

What is originality? Undetected plagiarism.

I have never understood why it should be considered derogatory to the Creator to suppose that he has a sense of humour.