解释：想要变得刚强，必定先要保持柔和；想要变得强大，一定先要保持弱小。
The heart of the educator must be a living flame, a source of warmth and light.
Silence remains, inescapably, a form of speech.
A story can change a life—maybe even the world.
The transition to cleaner energy must be practical, affordable, and reliable.
True success comes when your work makes a positive difference in people's lives.