Hail Lord, ...Loose my chains.
I do not expect old heads on young shoulders.
In our world," said Eustace, "a star is a huge ball of flaming gas." Even in your world, my son, that is not what a star is, but only what it is made of.
Be good, sweet maid, and don't forget that this involves being as clever as you can.
Humility is self-forgetfulness.
If nothing is self-evident, nothing can be proved. Similarly if nothing is obligatory for its own sake, nothing is obligatory at all.