高鸟：比喻君主
怀空意：怀抱着高远的意念
至精：至诚
飞沉理自隔：比喻在朝在野，情势相隔

thoughts iii

the hermit in his lone abode
nurses his thoughts cleansed of care,
them he projects to the wild goose
for it to his distant sovereign to bear.
who will be moved by the sincerity
of my vain day-and-night prayer?
what comfort is for my loyalty
when fliers and sinkers can compare?