The concept of topological protection in electronic systems is a profound insight that bridges abstract mathematics and practical physics.
The struggle itself towards the heights is enough to fill a man's heart. One must imagine Sisyphus happy.
At the end of the day it's not about what you have or even what you've accomplished... it's about who you've lifted up, who you've made better. It's about what you've given back.
The march of invention has clothed mankind with powers of which a century ago the boldest imagination could not have dreamt.
出自《海国图志序》。善于学习外国的长处，就能够征服外国;不善于学习外国的长处就会被外国所征服。
The charm of study consists chiefly in the satisfaction which the mind experiences in acquiring knowledge.