A little government and a little luck are necessary in life, but only a fool trusts either of them.
Because we don't think about future generations, they will never forget us.
Sooner or later, we've got to work at it, no matter how many other careers we've had or wanted.
If a cluttered desk is the sign of a cluttered mind, what is the significance of a clean desk?
It is easier to exclude harmful passions than to rule them, and to deny them admittance than to control them after they have been admitted.
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.
The happiest is the person who suffers the least pain; the most miserable who enjoys the least pleasure.