Eternal Vigilance Is The Price Of Knowledge.

It Is A New Road To Happiness, If You Have Strength Enough To Castigate A Little The Various Impulses That Sway You In Turn.

It Is Easier To Make A Saint Out Of A Libertine Than Out Of A Prig.

The God To Whom Depth In Philosophy Bring Back Men's Minds Is Far From Being The Same From Whom A Little Philosophy Estranges Them

It Is Possible To Be A Master In False Philosophy, Easier, In Fact, Than To Be A Master In The Truth, Because A False Philosophy Can Be Made As Simple And Consistent As One Pleases.

Happiness Is Impossible, And Even Inconceivable, To A Mind Without Scope And Without Pause, A Mind Driven By Craving, Pleasure, Or Fear. To Be Happy, You Must Be Reasonable, Or You Must Be Tamed. You Must Have Taken The Measure Of Your Powers, Tasted The Fruits Of Your Passion, And Learned Your Place In The World And What Things In It Can Really Serve You. To Be Happy, You Must Be Wise.