Once a man has tasted freedom ...

Once a man has tasted freedom he will never be content to be a slave.
Once a man has tasted freedom he will never be content to be a slave.

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

All our dreams can come true, if we have the courage to pursue them.
The more you like yourself, the less you are like anyone else, which makes you unique.
We've got to have a dream if we are going to make a dream come true.
A man should never neglect his family for business.
If you can dream it, you can do it. Always remember that this whole thing was started with a dream and a mouse.