Immanuel Kant

"Lying corrupts the very foundation of human communication."

"The highest calling is to develop one's talents fully."

"Reason gives us the structure through which we understand reality."

"A person's worth lies in what they contribute to the betterment of others."

"The categories of the mind are the conditions of all experience."

"True freedom is the ability to act according to your own reason."

"Aesthetic experience is a unique form of human cognition."

"We cannot know things as they are in themselves, only as they appear to us."

"The moral law commands unconditionally, without exception."

"Imagination is the bridge between sensibility and understanding."

"The purpose of philosophy is to answer the question: What can I know?"

"Every rational being deserves respect simply by virtue of being rational."

"Act only according to that maxim whereby you can, at the same time, will that it should become a universal law."

"Sapere aude! Dare to know! This is the motto of enlightenment."

"Two things fill the mind with ever new and increasing admiration and awe: the starry heavens above and the moral law within."

"Immaturity is the incapacity to use one's intelligence without guidance from another."

"I am never afraid of what I know."

"The only thing that is truly unforgivable is a lie told with the intention to deceive."

"Happiness is not an ideal of reason but of imagination."

"Man can become free only through education."

"The greatest human perfection is to work toward the perfection of others."

"Out of the crooked timber of humanity, no straight thing was ever made."

"Seek not the good life only for yourself, but help others find it too."

"We cannot live only for ourselves; a thousand fibers connect us with our fellow men."

"Discipline is the foundation of all true virtue."

"The unexamined life is not worth living."

"Act as if the maxim of your action were to become by your will a universal law of nature."

"Enthusiasm is the vital condition for genius."

"Duties from gratitude are the most sacred of all."

"Beauty is purposiveness without a purpose."