Two things fill me with constantly increasing admiration and awe, the longer and more earnestly I reflect on them: the starry heavens without and the moral law within.

Two things fill the heart with renewed and increasing awe and reverence the more often and the more steadily that they are meditated on: the starry skies above me and the moral law inside me.

wo things fill the mind with ever new and increasing wonder and awe —the starry heavens above me and the moral law within me.

What is rational is real; And what is real is rational.

Morality is not really the doctrine of how to make ourselves happy but of how we are to be worthy of happiness.

Seek not the favour of the multitude; it is seldom got by honest and lawful means. But seek the testimony of the few; and number not the voices, but weigh them。

Freedom, not that you have a right to do whatever you want, but you have the right not to do.

Man,actually all the reasoning person,exists because man itself is a purpose but not a tool used by this or that will;hence,in all his action,man is regarded as a purpose.

Beauty is certain objects or things which have nothing to do with those concerns as well as interests of the human being, while from which happiness could be experienced therein.