Anything You're Good At Contributes To Happiness.

Bad Philosophers May Have A Certain Influence; Good Philosophers, Never.

One's Work Is Never So Bad As It Appears On Bad Days, Nor So Good As It Appears On Good Days.

We Ought To Look The World Frankly In The Face.

Aristotle Is The Last Greek Philosopher Who Faces The World Cheerfully; After Him, All Have, In One Form Or Another, A Philosophy Of Retreat.

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