Libraries can in general be too narrow or too wide for the soul. - Georg Christoph Lichtenberg

The most heated defenders of a science, who cannot endure the slightest sneer at it, are commonly those who have not made very much progress in it and are secretly aware of this defect.

To be content with life — or to live merrily, rather — all that is required is that we bestow on all things only a fleeting, superficial glance; the more thoughtful we become the more earnest we grow.

Even truth needs to be clad in new garments if it is to appeal to a new age.