Your assumptions are your windows on the world. Scrub them off every once in a while, or the light wont come in. – Alan Alda
Category
Assumptions
The world can doubtless never be well known by theory: practice is absolutely necessary; but surely it is of great use to a young man, before he sets out for that country, full of mazes, windings, and turnings, to have at least a general map of it, made by some experienced traveler. – Lord Chesterfield