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.
出自先秦《荀子·非十二子》。尊重贤能的人,是“仁”的表现,鄙视道德不好的人,也是“仁”的表现。说明“仁”正反两个方面的标准。