Rules for Happiness: something to do, someone to love, something to hope for.
We are not rich by what we possess but by what we can do without.
If you punish a child for being naughty, and reward him for being good, he will do right merely for the sake of the reward; and when he goes out into the world and finds that goodness is not always rewarded, nor wickedness always punished, he will grow into a man who only thinks about how he may get on in the world, and does right or wrong according as he finds advantage to himself.
You only know me as you see me, not as I actually am
Patience is the strength of the weak, impatience is the weakness of the strong.
Three things tell a man: his eyes, his friends and his favorite quotes
But a lie is a lie, and in itself intrinsically evil, whether it be told with good or bad intents.
Always recognize that human individuals are ends, and do not use them as means to your end.
Enlightenment is man’s leaving his self-caused immaturity. Immaturity is the incapacity to use one’s intelligence without the guidance of another. Such immaturity is self-caused if it is not caused by lack of intelligence, but by lack of determination and courage to use one’s intelligence without being guided by another. Sapere Aude! Have the courage to use your own intelligence! is therefore the motto of the enlightenment.
Do the right thing because it is right.
Science is organized knowledge. Wisdom is organized life.
If justice perishes, human life on Earth has lost its meaning.
Melancholy characterizes those with a superb sense of the sublime.
Most men use their knowledge only under guidance from others because they lack the courage to think independently using their own reasoning abilities. It takes intellectual daring to discover the truth.
The only thing permanent is change.
We can judge the heart of a man by his treatment of animals.
Two things fill the mind with ever new and increasing admiration and awe, the oftener and more steadily we reflect on them: the starry heavens above me and the moral law within me.
The wise man can change his mind; the stubborn one, never.
Give a man everything he wants and at that moment everything is not everything
All perception is colored by emotion.
The greatest human quest is to know what one must do in order to become a human being.
Morality is not properly the doctrine of how we may make ourselves happy, but how we may make ourselves worthy of happiness.
Experience without theory is blind, but theory without experience is mere intellectual play.
Great minds think for themselves.
Live your life as though your every act were to become a universal law.