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: