Science is the knowledge of constant things, not merely of passing events, and is properly less the knowledge of general laws than of existing facts.

What is in reality cowardice and faithlessness, we call charity, and consider it the part of benevolence sometimes to forgive men's evil practice for the sake of their accurate faith, and sometimes to forgive their confessed heresy for the sake of their admirable practice.

Though you may have known clever men who were indolent, you never knew a great man who was so; and when I hear a young man spoken of as giving promise of great genius, the first question I ask about him always is, Does he work?

Obedience is, indeed, founded on a kind of freedom, else it would become mere subjugation, but that freedom is only granted that obedience may be more perfect; and thus while a measure of license is necessary to exhibit the individual energies of things, the fairness and pleasantness and perfection of them all consist in their restraint.

The best work never was and never will be done for money.

Wherever men are noble, they love bright colour; and wherever they can live healthily, bright colour is given them—in sky, sea, flowers, and living creatures.

My entire delight was in observing without being myself noticed,- if I could have been invisible, all the better. . . to be in the midst of it, and rejoice and wonder at it, and help it if I could, - happier if it needed no help of mine, - this was the essential love of Nature in me, this the root of all that I have usefully become, and the light of all that I have rightly learned.