The little that is completed, vanishes from the sight of one who looks forward to what is still to do.

There is no permanence in doubt; it incites the mind to closer inquiry and experiment, from which, if rightly managed, certainty proceeds, and in this alone can man find thorough satisfaction.

God help us -- for art is long, and life so short.

All beginnings are delightful; the threshold is the place to pause.

The thinker makes a great mistake when he asks after cause and effect. They both together make up the indivisible phenomenon.

To make an epoch in the world, two conditions are manifestly essential-a good head and a great inheritance.

Sound and sufficient reason falls, after all, to the share of but few men, and those few men exert their influence in silence.