One cannot achieve peace ...

One cannot achieve peace without realizing justice, realize justice without seeking out the truth, seek out the truth without practicing freedom. So living and thinking free is the root of achieving peace in our world.
One cannot achieve peace without realizing justice, realize justice without seeking out the truth, seek out the truth without practicing freedom. So living and thinking free is the root of achieving peace in our world.
 Sami Al-Arian

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

I came to the United States because I valued living as a free person, one who is able to advocate in a democratic society. Unfortunately, the U.S. has been turning into a less free society, a police and surveillance state, especially after 9/11.
 Sami Al-Arian
To be patriotic is to be able to question government policy in times of crisis. To be patriotic is to stand up for the Bill of Rights and the Constitution in times of uncertainty and insecurity. To be patriotic is to speak up against the powerful in defense of the weak and the voiceless. To be patriotic is to be willing to pay the price to preserve our freedoms, dignity, and rights. To be patriotic is to challenge the abuses of the PATRIOT Act.
 Sami Al-Arian