The mind has exactly the same power as the hands: not merely to grasp the world, but to change it.
No man is an island, entire of itself; every man is a piece of the continent.
A bookstore is one of the only pieces of evidence we have that people are still thinking.
The mind is not a vessel to be filled but a fire to be kindled.
When all men think alike, no one thinks very much.
Minds are like parachutes; they work best when open.
We are what we think. All that we are arises with our thoughts. With our thoughts, we make the world.
Great minds think alike.
Everything that can be invented, has been invented.
Use what talent you possess. The woods would be very silent if no birds sang except those that sang best.