Terms for subject Proverb containing blood can

English	Russian
it's more than flesh and blood can bear	тяжела ты, шапка Мономаха! (used jestingly or with a feeling of self-pity to mean: the burden of one's responsibilities (obligations, duty, etc) is loo heavy to be carried easily (the tsar monomakh's hat was a heavy crown indeed because of heavy jewelry and gold the famous hat was decorated with. the pun is that wearing the crown was a heavy political burden, too))
you can't get blood out of a stone	из стекла бриллиант не сделаешь