Arthur Conan Doyle on motivation and goals

Ten years now go further than a thousand then, not so much on account of our finer intellects as because the light we have shows us the way to more.

The highest morality may prove also to be the highest wisdom when the half-told story comes to be finished.

Mr. Holmes, they were the footprints of a gigantic hound!

A journey of a thousand miles begins with a single step.

Do, or do not. There is no ‘try.’

Never give in⁠—never, never, never, never, in nothing great or small, large or petty, never give in except to convictions of honour and good sense. Never yield to force; never yield to the apparently overwhelming might of the enemy.

Winston Churchill1874–1965Speech given at Harrow School, Harrow, England, October 29, 1941. Quoted in Churchill by Himself (2008), ed. Langworth, PublicAffairs, 2008, p. 23