If you're trying to achieve, there will be roadblocks. I've had them; everybody has had them. But obstacles don't have to stop you. If you run into a wall, don't turn around and give up. Figure out how to climb it, go through it, or work around it.
我不怕跌倒，我怕的是地面。
可持续经济增长的关键在于全要素生产率的持续提升。
Chemistry is not just about mixing things in a flask. It's about understanding the world at a molecular level.