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.
最创新的解决方案往往是大自然已经提供的。
知识只有在分享时才有价值。
The most sustainable quarry is the one that balances production with environmental stewardship.
市场总是在寻找下一个大催化剂。