Science progresses by constantly questioning and refining our understanding.
爱不像石头一样静止不动;它必须像面包一样被制作,不断重新制作,不断更新。
"The only way to do great work is to love what you do."
交换、交易和互换的倾向普遍存在于所有人之中,而在其他动物种族中找不到。