Sustainability is not a choice, it is a responsibility.
The child is a reality in himself, and not merely a transitional being.
每一個實驗都會破壞通過先前實驗獲得的關(guān)于系統(tǒng)的某些知識。
"History is not the past, it is the present. We carry our history with us."
Sometimes we get sad about things and we don’t like to tell other people that we are sad about them.
The future of the Internet is not about technology, it's about people.
Innovation requires both courage and perseverance.