“ Friendship, of itself a holy tie, Is made more sacred by adversity. 友谊本身是一种神圣的纽带,逆境使它更加神圣。 Charles Caleb Colton 英国作家科尔顿
“ It is not knowledge, but the act of learning, not possession but the act of getting there, which grants the greatest enjoyment. 给予最大享受的不是知识,而是学习的过程;不是拥有,而是到达那里的过程。 Carl Friedrich Gauss 高斯