Verse 14

भविष्यं नानुसंधत्ते नातीतं चिन्तयत्यसौ ।वर्तमाननिमेषं तु हसन्नेवानुवर्तते

In plain words

He does not brood upon the future, nor does he dwell on the past; but the present instant he simply follows, laughing.