How will he who does not know ...

How will he who does not know how to govern himself know how to govern others?
How will he who does not know how to govern himself know how to govern others?

More phrases

All the great things are simple, and many can be expressed in a single word: freedom, justice, honor, duty, mercy, hope.
I know but one freedom and that is the freedom of the mind.
 Antoine de Saint-Exupéry
Freedom is not worth having if it does not connote freedom to err.
The amount of happiness that you have depends on the amount of freedom you have in your heart.
 Thích Nhất Hạnh
Without freedom of thought, there can be no such thing as wisdom - and no such thing as public liberty without freedom of speech.

Quotes from the same author

Be slow of tongue and quick of eye.
Those who will play with cats must expect to be scratched.
I believe there's no proverb but what is true; they are all so many sentences and maxims drawn from experience, the universal mother of sciences.
Liberty, as well as honor, man ought to preserve at the hazard of his life, for without it life is insupportable
There are but few proverbial sayings that are not true, for they are all drawn from experience itself, which is the mother of all sciences.