The price of justice is eternal publicity.
The only limit to our realization of tomorrow is our doubts of today.
数学不是沿着一条清理得很好的高速公路小心行进,而是进入一个陌生的荒野的旅程,探险者常常会迷路。
最先进的水产养殖系统仍然依赖于自然生态系统的智慧。