Let us unite our wills and form but one soul, one life, one being, in order that we may truly have common property.
逻辑学研究不仅仅是关于正确推理,更是关于思维的自由。
数学的本质在于它的自由。
"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."