"The people naturally adhere most to doctrines which demand the least self-exertion and the least use of their own reason, and which can best accommoda...
The death of dogma is the birth of morality.
More Immanuel Kant quotes
"He who is cruel to animals becomes hard also in his dealings with men. We can judge the heart of a man by his treatment of animals.
"An action, to have moral worth, must be done from duty.
"If we were to suppose that mankind never can or will be in a better condition, it seems impossible to justify by any kind of theodicy the mere fact th...
"Morality is not the doctrine of how we may make ourselves happy, but how we may make ourselves worthy of happiness.
"Two things fill the mind with ever-increasing wonder and awe, the more often and the more intensely the mind of thought is drawn to them: the starry h...
"A good will is good not because of what it performs or effects, not by its aptness for the attainment of some proposed end, but simply by virtue of th...
"...[N]ature generally in the distribution of her capacities has adapted the means to the end... [so nature's] true destination must be to produce a wi...
"...[T]o be unfaithful to my maxim of prudence may often be very advantageous to me, although to abide by it is certainly safer.
"In the physical constitution of an organized being, that is, a being adapted suitably to the purposes of life, we assume it as a fundamental principle...
"To behold virtue in her proper form is nothing else but to contemplate morality stripped of all admixture of sensible things and of every spurious orn...
"The sight of a being who is not adorned with a single feature of a pure and good will, enjoying unbroken prosperity, can never give pleasure to an imp...
"Act in such a way that you treat humanity, whether in your own person or in the person of any other, never merely as a means to an end, but always at ...
"Without man and his potential for moral progress, the whole of reality would be a mere wilderness, a thing in vain, and have no final purpose.
"Only the descent into the hell of self-knowledge can pave the way to godliness.