He published an essay on his experience running across the Gobi Desert and wrote that `` we aim to find our limits and push past them . ''
PRON VERB DET NOUN ADP PRON NOUN VERB ADP DET PROPN PROPN CCONJ VERB SCONJ `` PRON VERB PART VERB PRON NOUN CCONJ VERB ADP PRON . ''