Stop carrying the weight of the world on your shoulders.
别太操心了,没有你地球照样转。 (carry the weight of the world on one’s shoulders:自以为重任在肩。)
and if a single curved glass would distort nature, how much more would a pair of them?
何况一片曲面镜就可歪曲自然,那么伽利略的两片曲面镜对自然的歪曲又该多大呢?