Sustainability isn't a choice; it's our responsibility to the planet and future generations.
可持续发展不是一种选择,而是我们对地球和后代的责任。
The only limit to our realization of tomorrow is our doubts of today.
The real opposition is that between the ego-bound man, whose existence is structured by the principle of having, and the free man, whose existence is structured by the principle of being.
In the ocean of science, everyone is a student, there is always something new to learn.