Prudence approaches, conscience accuses.
Two things fill the mind with ever new and increasing admiration and awe, the oftener and more steadily we reflect on them: the starry heavens above and the moral law within.
Better the whole people perish than that injustice be done
Every human being should always be treated as an end and never as a mere instrument.
It is through good education that all the good in the world arises.
When a thoughtful human being has overcome incentives to vice and is aware of having done his bitter duty, he finds himself in a state that could be called happiness, a state of contentment and peace of mind in which virtue is its own reward.