The best ideas often come from the most unexpected places.
我不相信退休。我相信只要你有能力，就应该继续工作。
The mathematician does not study pure mathematics because it is useful; he studies it because he delights in it and he delights in it because it is beautiful.
You'll never be able to please everybody, so you might as well be yourself.
The great cause of the prosperity of the country is liberty—liberty in the economic system.
The land remembers what the people forget.