We often experience more regret over the part we have left, than pleasure over the part we have preferred.

Science is for those who learn; poetry, for those who know.

At first we hope too much and later on, not enough.

Our experience is composed rather of illusions lost than of wisdom acquired.

Experience comprises illusions lost, rather than wisdom gained.

Literature was formerly an art and finance a trade; today it is the reverse.

That which we know is but little; that which we have a presentiment of is immense; it is in this direction that the poet outruns the learned man.