Every man takes the limits of his own field of vision for the limits of the world.
Government exists to protect us from each other. Where government has gone beyond its limits is in deciding to protect us from ourselves.
If man limits himself to a satisfied animal existence, and asks from life only what such an existence can give, the higher values of life at once disappear.
Science may set limits to knowledge, but should not set limits to imagination.
The difference between stupidity and genius is that genius has its limits.
The limits of the possible can only be defined by going beyond them into the impossible.
The only way of discovering the limits of the possible is to venture a little way past them into the impossible.
The only way of finding the limits of the possible is by going beyond them into the impossible.