TO BUILD, ESTABLISH AND MAINTAIN IN THE CITY OF AMARILLO, TEXAS, OR IN THE VICINITY THEREOF, EITHER IN POTTER OR RANDALL COUNTIES, A HOME OR HOMES FOR WORTHY, AGED AND NEEDY PERSONS, AND TO OPERATE SUCH HOMES, EXPAND, BUILD OR REBUILD ANY SUCH HOMES AND TO DO EACH AND EVERYTHING WHATSOEVER NECESSARY, REQUISITE OR INCIDENT THERETO. PREFERENCE SHALL BE GIVEN IN ADMISSION TO SAID HOMES TO THOSE WHO HAVE LIVED AND PRACTICED THE CHRISTIAN RELIGION. THE PURPOSES STATED IN THIS SUBSECTION SHALL BE DEEMED THE PRIMARY PURPOSE OF THE CORPORATION AND THE MAINTENANCE AND OPERATION OF SAID HOMES SHALL AT ALL TIMES HAVE PREFERENCE IN THE USE OF INCOME AND/OR CORPUS OF PROPERTY BELONGING TO THE CORPORATION OR HELD IN TRUST FOR IT.