- “Know thyself.” – Socrates, Philosopher
- “The only true wisdom is in knowing you know nothing.” – Socrates, Philosopher
- “In youth, it is easy to be blinded by the belief that everything we do and think is of great importance. But as we age, we realize that what truly matters is the quality of our character and the love we give to others.” – Aristotle, Philosopher
- “Happiness depends upon ourselves.” – Aristotle, Philosopher
- “We are what we repeatedly do. Excellence, then, is not an act, but a habit.” – Aristotle, Philosopher
- “The only way to do great work is to love what you do.” – Archimedes, Mathematician
- “Give me a lever long enough and a fulcrum on which to place it, and I shall move the world.” – Archimedes, Mathematician
- “He who is not a good servant will not be a good master.” – Diogenes of Sinope, Philosopher
- “The foundation of every state is the education of its youth.” – Diogenes of Sinope, Philosopher
- “Time is the wisest counselor of all.” – Pericles, Statesman
- “Freedom is the sure possession of those alone who have the courage to defend it.” – Pericles, Statesman
- “There is no greater evil one can suffer than to hate reasonable discourse.” – Plato, Philosopher
- “At the touch of love, everyone becomes a poet.” – Plato, Philosopher
- “Waste no more time arguing about what a good man should be. Be one.” – Marcus Aurelius, Roman Emperor (born in Rome, but influenced by Greek philosophy)
- “The soul becomes dyed with the color of its thoughts.” – Marcus Aurelius, Roman Emperor
- “To find yourself, think for yourself.” – Socrates, Philosopher
- “Courage is the first of human qualities because it is the quality which guarantees the others.” – Aristotle, Philosopher
- “The greatest glory in living lies not in never falling, but in rising every time we fall.” – Nelson Mandela (inspired by Greek philosophy)
- “Ignorance, the root and stem of all evil.” – Plato, Philosopher
- “The unexamined life is not worth living.” – Socrates, Philosopher
- “He who has a why to live can bear almost any how.” – Friedrich Nietzsche (influenced by Greek philosophy)
- “Character is destiny.” – Heraclitus, Philosopher
- “We can easily forgive a child who is afraid of the dark; the real tragedy of life is when men are afraid of the light.” – Plato, Philosopher
- “The best way to predict the future is to create it.” – Peter Drucker (influenced by Greek philosophy)
- “Be kind, for everyone you meet is fighting a harder battle.” – Plato, Philosopher