The receipts in writing of the trustees exercising any of the powers conferred by sections 3 or 6 for any moneys paid or advanced to them in respect of any sale, mortgage, or lease, made, given, or granted in pursuance of the powers aforesaid, shall be a good and sufficient discharge for such moneys to the person or persons paying or advancing the same, and the person or persons shall not be bound or required to see to the application nor be affected by the misapplication or non-application thereof.