Immanuel Kant

"The will is free when it acts according to its own laws."

"Work gives meaning to life and dignity to the worker."

"Nature operates according to laws, both physical and moral."

"The categorical imperative cannot be derived from experience."

"Knowledge of God comes through the contemplation of nature."

"The human capacity for reason sets us apart from all other creatures."

"Gratitude is the memory of the heart."

"Evil arises not from the body but from the misuse of the will."

"The pursuit of happiness should never override moral duty."

"Imagination is the condition for the possibility of knowledge."

"Politics should be founded upon moral principles."

"The human being is the end of all things in creation."

"Truth is like the light: it reveals both itself and all things."

"We must act as if our maxim should become a universal law."

"Art is the expression of the supersensible through the sensible."

"The mind organizes sensory experience through space and time."

"Perseverance in duty despite obstacles is the mark of virtue."

"The phenomenal world is all we can ever directly know."

"Hope is the expectation of future good."

"Respect for the moral law is the spring of all virtue."

"The universe operates according to rational principles."

"A maxim cannot be universalized if it contradicts itself."

"The greatest crime is to deny others their autonomy."

"Beauty reveals the purposiveness of nature without a specific purpose."

"Experience without theory is blind; theory without experience is empty."

"The moral law is written in the heart of every rational being."

"Freedom of thought is the foundation of all other freedoms."

"The limits of language are the limits of our world."

"Each person possesses an inherent dignity that demands respect."

"The pursuit of knowledge is the highest human calling."