Time past cannot be called back again.
光阴一去不复返。
All time is no time when it is past.
光阴一去不复返。
No one can call back yesterday;Yesterday will not be called again.
昨日不复来。
Business neglected is business lost.
忽视职业便是放弃职业。
One today is worth two tomorrows.
一个今天胜似两个明天。