From such crooked wood as that which man is made of, nothing straight can be fashioned.
But although all our knowledge begins with experience, it does not follow that it arises from experience.
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.
What can I know What ought I to do What can I hope
All the interests of my reason, speculative as well as practical, combine in the three following questions 1. What can I know 2. What ought I to do 3. What may I hope
The only objects of practical reason are therefore those of good and evil. For by the former is meant an object necessarily desired according to a principle of reason by the latter one necessarily shunned, also according to a principle of reason.
Religion is the recognition of all our duties as divine commands.
To be is to do.
Nothing is divine but what is agreeable to reason.
Always recognize that human individuals are ends, and do not use them as means to your end.
Two things awe me most, the starry sky above me and the moral law within me.
Immaturity is the incapacity to use one's intelligence without the guidance of another.
Ingratitude is the essence of vileness.
Two things fill the mind with ever new and increasing wonder and awe - the starry heavens above me and the moral law within me.
Intuition and concepts constitute... the elements of all our knowledge, so that neither concepts without an intuition in some way corresponding to them, nor intuition without concepts, can yield knowledge.
Seek not the favor of the multitude it is seldom got by honest and lawful means. But seek the testimony of few and number not voices, but weigh them.
Even philosophers will praise war as ennobling mankind, forgetting the Greek who said 'War is bad in that it begets more evil than it kills.'
May you live your life as if the maxim of your actions were to become universal law.
It is beyond a doubt that all our knowledge that begins with experience.
By a lie, a man... annihilates his dignity as a man.
To be fully comfortable to the principle of right, the form of government must be representative. This is the only one that permits republicanism, without which the government is arbitrary and despotic, whatever the constitution may be.
Thoughts without content are empty, intuitions without concepts are blind.
Experience without theory is blind, but theory without experience is mere intellectual play.
Thus no member of the commonwealth can have a hereditary privilege as against his fellow-subjects and no-one can hand down to his descendants the privileges attached to the rank he occupies in the commonwealth, nor act as if he were qualified as a ruler by birth and forcibly prevent others from reaching the higher levels of the hierarchy through their own merit. He may hand down everything else, so long as it is material and not pertaining to his person, for it may be acquired and disposed of as property and may over a series of generations create considerable inequalities in wealth among the members of the commonwealt. But he may not prevent his subordinates from raising themselves to his own level if they are able and entitled to do so by their talent, industry and good fortune. If this were not so, he would be allowed to practise coercion without himself being subject to coercive counter-measures from others, and would thus be more than their fellow-subject.
I had therefore to remove knowledge, in order to make room for belief.
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