The great question which, in all ages, has disturbed mankind, and brought on them the greatest part of their mischiefs, has been, not whether there be power in the world, nor whence it came, but who should have it.
The world is changing, and we must change with it.
A child educated only at school is an uneducated child.
你放弃的那一刻就是你失败的那一刻。
The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'