The people we have employed in an undertaking that has turned out badly should be doubly rewarded.

Be careful when you cast out your demons that you don’t throw away the best of yourself.

In a seriously intended intellectual emancipation a person's mute passions and cravings also hope to find their advantage.

Not contentment, but more power; not peace at any price, but war; not virtue, but efficiency (virtue in the Renaissance sense, virtu , virtue free of moral acid).

What is more harmful than any vice? Practical sympathy and pity for all the failures and all the weak : Christianity.

If virtue goes to sleep, it will be more vigorous when it awakes.

That roguish and cheerful vice, politeness.