Forgiveness is the one unpardonable sin.

Nothing is more vulgar than a careful avoidance of beginning a letter with the first person singular.

Here be dragons to be slain, here be rich rewards to gain; If we perish in the seeking, why, how small a thing is death!

It is the first duty of a gentleman to remember in the morning who he went to bed with the night before.

He remembered having said to his uncle (with a solemn dogmatism better befitting a much younger man): "Surely it is possible to love with the head as well as the heart." Mr. Delagardie had replied, somewhat drily: "No doubt; so long as you do not end by thinking with your entrails instead of your brain.

What the Church should be telling him [the carpenter] is this: that the very first demand that his religion makes upon him is that he should make good tables.

There certainly does seem a possibility that the detective story will come to an end, simply because the public will have learnt all the tricks.