你的自我价值由你自己决定。你不必依赖别人来告诉你你是谁。
Your self-worth is determined by you. You don't have to depend on someone telling you who you are.
One ought never to turn one's back on a threatened danger and try to run away from it. If you do that, you will double the danger. But if you meet it promptly and without flinching, you will reduce the danger by half.
伽罗瓦表示的研究是数论和几何之间的桥梁。
长期来看，市场是一台称重机，但短期来看，它是一台投票机。