我们生活中的改变必须来自除了按照我们良心的要求生活之外别无选择。
The changes in our life must come from the impossibility to live otherwise than according to the demands of our conscience.
我不相信退休。我相信只要你有能力，就应该继续工作。
Sustainability is not just a goal; it's a responsibility we owe to future generations.
物理学的美丽在于它能够用如此简单而优雅的数学来描述宇宙。
The real tragedy of the poor is that they can afford nothing but self-denial.