科学界的女性永远不应怀疑自己改变世界的能力。

The paper industry has a responsibility to lead the way in environmental stewardship.

实现明天的唯一限制是我们今天的疑虑。

No testimony is sufficient to establish a miracle unless the testimony be of such a kind that its falsehood would be more miraculous than the fact which it endeavors to establish.

You must take personal responsibility. You cannot change the circumstances, the seasons, or the wind, but you can change yourself. That is something you have charge of.