134 quotes
Morality is not properly the doctrine of how we may make ourselves happy, but how we may make ourselves worthy of happiness.
Critique of Practical Reason (1788)
Apart from moral conduct, all that man thinks himself able to do in order to become acceptable to God is mere superstition and religious folly.
There must be a seed of every good thing in the character of men, otherwise no one can bring it out.
The Educational Theory of Immanuel Kant (1904)
Natural science is throughout either a pure or an applied doctrine of motion.
Metaphysical Foundations of Natural Science (1786)
That all our knowledge begins with experience there can be no doubt.
Critique of Pure Reason (1781)
Thus our duties to animals are indirectly duties to humanity.
Lectures on Ethics (1924)
Character means that the person derives his rules of conduct from himself and from the dignity of humanity.
The Educational Theory of Immanuel Kant (1904)
Everything good that is not based on a morally good disposition, however, is nothing but pretense and glittering misery.
Idea for a Universal History from a Cosmopolitan Point of View (1784)
The child must be brought up free (that he allow others to be free).
The Educational Theory of Immanuel Kant (1904)
The woman wants to dominate, the man wants to be dominated[.]
Anthropology from a Pragmatic Point of View (1798)
Religion is too important a matter to its devotees to be a subject of ridicule. If they indulge in absurdities, they are to be pitied rather than ridiculed.
A lecture at Königsberg (1775)
Nature does nothing in vain, and in the use of means to her goals she is not prodigal.
Idea for a Universal History from a Cosmopolitan Point of View (1784)
A person who already displays … cruelty to animals is also no less hardened towards men. We can already know the human heart, even in regard to animals.
Lectures on Ethics (1924)
Sapere aude! Have the courage to use your own understanding.
What is Enlightenment? (1784)
A mind of slow apprehension is therefore not necessarily a weak mind. The one who is alert with abstractions is not always profound, he is more often very superficial.
Anthropology from a Pragmatic Point of View (1798)
Zealotry is when the letter of religion is mistaken for its spirit.
Religion is the recognition of all our duties as divine commands.
The science of mathematics presents the most brilliant example of how pure reason may successfully enlarge its domain without the aid of experience.
Critique of Pure Reason (1781)
As everybody likes to be honoured, so people imagine that God also wants to be honoured. They forget that the fulfilment of duty towards men is the only honour adequate to him.
But though all our knowledge begins with experience, it by no means follows, that all arises out of experience.
Critique of Pure Reason (1781)