绝对确定性的假设是每一项科学研究的根本基础。
Business cannot succeed in societies that fail.
很可能还会发明出其他几种辅助视觉的工具,它们超越现有工具的程度,就像现有工具超越肉眼一样。
Time has no divisions to mark its passage, there is never a thunderstorm or blare of trumpets to announce the beginning of a new month or year.