“The only true wisdom is in knowing you know nothing.” – Socrates

“Happiness and freedom begin with a clear understanding of one principle: Some things are within our control, and some things are not.” – Epictetus

“He who is not a good servant will not be a good master.” – Plato

“The greatest wealth is to live content with little.” – Plato

“The unexamined life is not worth living.” – Socrates

“Change in all things is sweet.” – Aristotle

“The only good is knowledge and the only evil is ignorance.” – Socrates

“The mind is everything. What you think you become.” – Buddha

“To find yourself, think for yourself.” – Socrates

“Virtue is the golden mean between two vices.” – Aristotle

“The highest form of knowledge is self-knowledge.” – Socrates

“Excellence is not an act, but a habit.” – Aristotle

“We are what we repeatedly do. Excellence, then, is not an act but a habit.” – Aristotle

“What is good? All that heightens the feeling of power in man, the will to power, power itself.” – Friedrich Nietzsche

“Love is composed of a single soul inhabiting two bodies.” – Aristotle

“Do not spoil what you have by desiring what you have not.” – Epicurus

“Know thyself.” – Socrates

“It is not so much our friends’ help that helps us as the confidence of their help.” – Epicurus

“The greatest victory is to conquer yourself.” – Plato

“At the touch of love everyone becomes a poet.” – Plato

“He who is not a good servant will not be a good master.” – Plato

“To prefer evil to good is not in human nature; and when a man is compelled to choose one of two evils, no one will choose the greater when he might have the less.” – Plato

“To be ignorant of the lives of the most celebrated men of antiquity is to continue in a state of childhood all our days.” – Plutarch

“The measure of a man is what he does with power.” – Plato

“Man is the measure of all things.” – Protagoras

“Wise men speak because they have something to say; fools because they have to say something.” – Plato

“In a gentle way, you can shake the world.” – Mahatma Gandhi

“To be free is not merely to cast off one’s chains, but to live in a way that respects and enhances the freedom of others.” – Nelson Mandela