在科学发现中,合作是关键;没有人能独自完成。
The ground for taking ignorance to be restrictive of freedom is that it causes people to make choices they would not have made had they seen what their choices involved.
埃塞俄比亚人说他们的神是塌鼻子和黑色的,色雷斯人说他们的神有浅蓝色的眼睛和红色的头发。