Most of the major ills of the ...

Most of the major ills of the world have been caused by well-meaning people who ignored the principle of individual freedom, except as applied to themselves, and who were obsessed with fanatical zeal to improve the lot of mankind.
Most of the major ills of the world have been caused by well-meaning people who ignored the principle of individual freedom, except as applied to themselves, and who were obsessed with fanatical zeal to improve the lot of mankind.
 Henry Grady Weaver

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

The harm done by ordinary criminals, murderers, gangsters, and thieves is negligible in comparison with the agony inflicted upon human beings by the professional do-gooders, who attempt to set themselves up as gods on earth and who would ruthlessly force their views on all others - with the abiding assurance that the end justifies the means.
 Henry Grady Weaver