Science is about pushing boundaries, both in knowledge and technology.
没有思想的自由,就没有真正的自由。
世界的情况在不断变化,人的观念也在变化。 政府是为了生者,而不是为死者,只有生者拥有任何权利。
It is one of the superstitions of the human mind to have imagined that virginity could be a virtue.