今天我们种下的每一棵树都是留给未来的遗产。
"The connection between mathematics and computer science is not just a one-way street; each field enriches the other."
I'm happy to be alive, I'm happy to be who I am.
资本主义社会的自由始终与古希腊共和国大致相同:奴隶主的自由。