In the quest to understand quantum gravity, we are like children playing on the shore of a vast ocean, occasionally finding a smooth pebble or a pretty shell, while the great ocean of truth lies undiscovered before us.

Don't wait for permission to make a difference.

关于神，我无法知道他们是否存在，也无法知道他们是什么样子的。许多事情阻碍了知识，包括主题的晦涩和人类生命的短暂。