Your 20s are the most defining decade of your life.
The world is changing rapidly, and we must adapt or be left behind.
Be still. Apart from this the mind has no task to do or thought to think.
在科学中，进步往往是通过质疑既定教条并敢于提出新想法来实现的。
如果你想知道一家公司的价值，看看它的股价。