Perfect as is the wing of a bird, it never could raise the bird up without resting on air. Facts are the air of science. Without them a man of science can never rise.
尽管鸟的翅膀是完美的，但如果没有空气的支撑，它永远无法将鸟托起。事实是科学的空气。没有它们，科学工作者永远无法腾飞。
Leadership is about empowering others to see the vision and make it their own.
I'm not angry anymore, I'm just tired.
教育必须基于儿童的心理发展，而不是教育者的任意意志。
这是我个人的一小步，却是全人类的一大步。
要真正具有远见，我们必须将想象力扎根于具体的现实，同时想象超越现实的可能性。