In science, the credit goes to the man who convinces the world, not to the man to whom the idea first occurs.

我们把男人当成神，他们却离我们而去；有些把男人当成畜生，他们反倒摇尾乞悯，而且忠心耿耿。

The great challenge of the modern world is to create institutions that are strong enough to govern effectively but also accountable and responsive to the needs of citizens.

The labor which it would require to make a single one of these guns by hand would exhaust the patience and perseverance of any ordinary workman.