Mental activity is the organism's way of engaging with the world.
Strength does not come from physical capacity. It comes from an indomitable will.
Sustainability is not an option; it's a necessity for the future of our industry.
我们必须投资于不仅能提高效率而且能减少环境影响的技术。
I was in the middle before I knew that I had begun.
一个奇怪的悖论是,当我接受自己本来的样子时,我就能改变。