‘... the public body must act in a manner which seeks to ensure that the needs of the present are met without compromising the ability of future generations to meet their own needs.’
‘... bod yn rhaid i’r corff weithredu mewn modd sy’n ceisio sicrhau bod anghenion y presennol yn cael eu diwallu heb beryglu gallu cenedlaethau’r dyfodol i ddiwallu eu hanghenion hwythau.’