Life Is The Faculty Of Spontaneous Activity,

Our Intellect Does Not Draw Its Laws From Nature, But It Imposes Its Laws Upon Nature.

Nature Does Nothing In Vain, And In The Use Of Means To Her Goals She Is Not Prodigal.

Even A Man's Exact Imitation Of The Song Of The Nightingale Displeases Us When We Discover That It Is A Mimicry, And Not The Nightingale.

The Greatest Human Quest Is To Know What One Must Do In Order To Become A Human Being.

The Business Of Philosophy Is Not To Give Rules, But To Analyze The Private Judgments Of Common Reason.