Garry Kasparov

Communism is like an autoimmune disorder; it doesn't do the killing itself, but it weakens the system so much that the victim is left helpless and unable to fight off anything else.

We must decide what we value and decide what is worth fighting for and then–the most important part–we must fight for it.

Somehow people always forget that it's much easier to install a dictator than to remove one.

It's not common, in our age, for someone to retire while still at the top, but I'm a man who needs a goal, and who wants to make a difference.

Each victory pulls the victor down slightly and makes it harder to put in maximum effort to improve further.

The United States is a very different thing. It's a continent-spanning nation built from scratch by millions of immigrants from every part of the world on top of its native population.

Great leaders are formed only by taking on great challenges.