普通的草木到了秋天就凋零了，只有松柏在秋天，仍郁郁葱葱。点评：南北朝时期刘宋学者刘义庆曾言「蒲柳之姿，望秋而落；松柏之质，凌霜犹茂。」松柏两树皆长青不凋，是志操坚贞的象征。
多元宇宙的概念是膨胀宇宙模型的自然结果。
"The best time to plant a tree was 20 years ago. The second best time is now."
在把所有这一切搞得混淆不清时，人们非但没有使我们明理，反而使我们变得邪恶。
The biggest risk is not taking any risk.
If God intended everybody to be the same, he'd have given us all braces on our legs.
Cryptography is about communication in the presence of adversaries.