When you think you know something: that is a most perfect barrier against learning.

Enemies make you stronger, allies make you weaker.

Highly organized research is guaranteed to produce nothing new.

It is a wise man that does know the contented man is never poor, whilst the discontented man is never rich.

All governments suffer a recurring problem: Power attracts pathological personalities. It is not that power corrupts but that it is magnetic to the corruptible.

Killing with the point lacks artistry, but don't let that hold your hand when the opening presents itself.

The difference between sentiment and being sentimental is the following: Sentiment is when a driver swerves out of the way to avoid hitting a rabbit on the road. Being sentimental is when the same driver, when swerving away from the rabbit, hits a pedestrian.