生活只能向后理解；但它必须向前生活。
Life can only be understood backwards; but it must be lived forwards.
The only limits that exist are the ones you place on yourself.
时尚的未来不仅仅是关于潮流；它关乎责任与创新。
The true spirit of delight, the exaltation, the sense of being more than Man, which is the touchstone of the highest excellence, is to be found in mathematics as surely as in poetry.