今天的美好时光，就是明天的悲伤回忆。
The good times of today, are the sad thoughts of tomorrow.
"Imagination is the key to unlocking the world."
文明的真正考验不是人口普查，不是城市的规模，也不是庄稼，而是国家培养出的人的类型。
Your voice is your power. Never let anyone silence you.
Chemistry is the science of connections, both literal and metaphorical.
I don't mind being a symbol but I don't want to become a monument. There's a difference.