The quaternion was born, as a curious offspring of a quaternion of parents, say of geometry, algebra, metaphysics, and poetry.
四元数的诞生,如同几何、代数、形而上学和诗歌这四位父母的奇特后代。
他这种聪明,别人能做到,而这种愚傻,别人便难以做到了。
Home is not a place, it's a feeling.