如果你想走得快,独自前行;如果你想走得远,结伴同行。
煤炭的真正价值在于我们如何负责任地开采和使用它。
The obligation of subjects to the sovereign is understood to last as long, and no longer, than the power lasteth by which he is able to protect them.
The pace of change demands that we unlearn as much as we learn.
La libertad es un hábito que se adquiere ejerciéndola.