After the last of 16 mounting screws has been removed from an access cover, it will be discovered that the wrong access cover has been removed.
Never despair; but if you do, work on in despair.
Nothing in the world can take the place of Persistence. Talent will not; nothing is more common than unsuccessful men with talent. Genius will not; unrewarded genius is almost a proverb. Education will not; the world is full of educated derelicts. Persistence and determination alone are omnipotent. The slogan 'Press On' has solved and always will solve the problems of the human race.
Like anyone else, there are days I feel beautiful and days I don't, and when I don't, I do something about it.
The happiest is the person who suffers the least pain; the most miserable who enjoys the least pleasure.
If you want to be respected, you must respect yourself.
Against stupidity the gods themselves contend in vain.