I think by far the most ...

I think by far the most important bill in our whole code is that for the diffusion of knowlege among the people. no other sure foundation can be devised for the preservation of freedom, and happiness.
I think by far the most important bill in our whole code is that for the diffusion of knowlege among the people. no other sure foundation can be devised for the preservation of freedom, and happiness.

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 hope we shall crush in its birth the aristocracy of our monied corporations which dare already to challenge our government to a trial by strength, and bid defiance to the laws of our country.
Don't talk about what you have done or what you are going to do.
Never put off till tomorrow what you can do today.
I never considered a difference of opinion in politics, in religion, in philosophy, as cause for withdrawing from a friend.
I'm a great believer in luck and I find the harder I work, the more I have of it.