I don't think you can ever do your best. Doing your best is a process of trying to do your best.
从生活中收获最大的丰富和最大的享受的秘诀是勇敢地生活。
Every one is their God,if you give up on yourself,who else will save you?Every one is busy,some are busy livig,some are busy dying,and you, who are busy chasing fame and fortune,who are busy with daily necessities,try to stop to think a second:if your brain has been institutionalized?Where is your God?