生命不过是两段深不可测的寂静之间的喧嚣。
The most powerful brand in the world is trust.
On the path of science, there are no smooth roads to take; only those who are not afraid of hard work and climb the steep mountain paths have the hope of reaching the glorious summit.
The city is like a great palimpsest, a manuscript that has been written and rewritten over the centuries.