Terms for subject Proverb containing crave

English	Russian
if youth knew what age would crave, it would both get and save	если бы молодость умела, а старость могла
if youth knew what age would crave, it would both get and save	если бы молодость умела, если бы старость могла
if youth knew what age would crave, it would both get and save	если бы молодость знала, если бы старость могла
if youth knew what age would crave, it would both get and save	если бы молодость знала, а старость могла
what the eye sees not, the heart craves not	с глаз долой-из сердца вон