The greatest dangers to ...

The greatest dangers to liberty lurk in the insidious encroachment by men of zeal, well meaning but without understanding.
The greatest dangers to liberty lurk in the insidious encroachment by men of zeal, well meaning but without understanding.
 Louis D. Brandeis

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

There are better mothers than disaster. A native land is the best of all mothers. We American Jews have a native land we love. But it is even better to have a native land who loves us.
 Louis D. Brandeis
Most of the things worth doing in the world had been declared impossible before they were done.
 Louis D. Brandeis
If you would only recognize that life is hard, things would be so much easier for you.
 Louis D. Brandeis
In business, the earning of profit is something more than an incident of success. It is an essential condition of success. It is an essential condition of success because the continued absence of profit itself spells failure.
 Louis D. Brandeis
I think all of our human Experience shows that no one with absolute power can be trusted to give it up even in part
 Louis D. Brandeis