And Botany I rank with the most valuable sciences, whether we consider its subjects as furnishing the principal subsistence of life to man and beast, delicious varieties for our tables, refreshments from our orchards, the adornments of our flower-borders, shade and perfume of our groves, materials for our buildings, or medicaments for our bodies.

This institution will be based on the illimitable freedom of the human mind. For here we are not afraid to follow truth wherever it may lead, not tolerate error as long as reason is left free to combat it.

A little rebellion now and then... is a medicine necessary for the sound health of government.

A government is republican in proportion as every member composing it has his equal voice in the direction of its concerns, not indeed in person, which would be impracticable beyond the limits of a city or small township, but by representatives chosen by himself and responsible to him at short periods.

I'd rather have newspapers and no government than government and no newspapers.

Female education ... has occupied my attention so far only as the education of my own daughters ... I thought it essential to give them a solid education which might enable them, when become mothers, to educate their own daughters, and even to direct the course for sons, should their fathers be.

In a virtuous government, and more especially in times like these, public offices are what they should be - burdens to those appointed to them which it would be wrong to decline, though foreseen to bring them intense labor and great private loss.