There is no easy walk to freedom anywhere, and many of us will have to pass through the valley of the shadow of death again and again before we reach the mountaintop of our desires.

对抗压力的最大武器是我们选择一种思想而不是另一种思想的能力。

互联网正在成为明日地球村的广场。

转基因技术是未来农业发展的重要方向，我们要科学理性地看待它。

清晰和秩序是优秀写作的基础。