Aristotle Could Have Avoided The Mistake Of

Curious Learning Not Only Makes Unpleasant Things Less Unpleasant But Also Makes Pleasant Things More Pleasant.

Science, By Itself Cannot, Supply Us With An Ethic.

When There Are Rational Grounds For An Opinion, People Are Content To Set Them Forth And Wait For Them To Operate. In Such Cases, People Do Not Hold Their Opinions With Passion; They Hold Them Calmly, And Set Forth Their Reasons Quietly. The Opinions That Are Held With Passion Are Always Those For Which No Good Ground Exists; Indeed The Passion Is The Measure Of The Holder's Lack Of Rational Conviction.

The Human Race May Well Become Extinct Before The End Of The Century.

Patriotism Is The Willingness To Kill And Be Killed For Trivial Reasons.