光阴似泥箭 (Time is like a mud arrow)泥箭本无梗 (The mud arrow is originally without its shaft)土靶亦非的 (The mud target is also without the bullseye)本来时无间 (Time has no intervals to begin with)何有嘀嗒嘀 (So where does the tick-tock come from?)
Detail pictures:
