kant

“ If man makes himself a worm he must not complain when he is trodden on. ”

“ Nothing is required for this enlightenment, however, except freedom, and indeed the most harmless among all the things to which this term can properly be applied. ”

“ 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. ”

“ From such crooked wood as that which man is made of, nothing straight can be fashioned. ”

“ We are not rich by what we possess but by what we can do without. ”

“ It is beyond a doubt that all our knowledge that begins with experience. ”

“ Two things fill the mind with ever new and increasing wonder and awe-the starry heavens above me, and the moral law within me. ”

“ By a lie a man throws away and as it were annihilates his dignity as a man. ”

“ Out of timber so crooked as that from which man is made nothing entirely straight can be carved. ”

“ Morality is not properly the doctrine of how we may make ourselves happy, but how we may make ourselves worthy of happiness. ”