Success is the sum of small efforts, repeated day in and day out.
采矿创新不是可选的——它对生存和发展至关重要。
I'm not a saint, I'm not a sinner, I'm just a man who's made mistakes.
对物质拓扑相的研究证明了理论物理学在预测和解释新物质状态方面的力量。
A teacher who is attempting to teach without inspiring the pupil with a desire to learn is hammering on cold iron.