Human life can not be measured by the length of time. When the heart is full of love, the moment is eternal! ——It really can’t be measured by the length of time.
没有听到的不如听到的，听到的不如见到的，见到的不如了解到的，了解到的不如去实行，学问到了实行就达到了极点。
Every reaction is a conversation between atoms.