金舟不能凌阳侯之波,玉马不任骋千里之迹也。
用黄金打造的船不能在波涛汹涌的江面上航行,用玉雕琢的马不能驰骋在千里路途上。
创新是任何希望保持领先地位的企业的命脉。
The very existence of libraries affords the best evidence that we may yet have hope for the future of man.