Plato

“Lack of activity destroys the good condition of every human being, while movement and methodical physical exercise save and preserve it.”

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

“Never discourage anyone who continually makes progress, no matter how slow.”

“Human behavior flows from three main sources: desire, emotion, and knowledge.”

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

“The heaviest penalty for declining to rule is to be ruled by someone inferior to yourself.”

“Every heart sings a song, incomplete, until another heart whispers back.”

“The first and greatest victory is to conquer yourself.”

“The beginning is the most important part of the work.”

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

“Ignorance, the root and stem of all evil.”

“False words are not only evil in themselves, but they infect the soul with evil.”

“When men speak ill of thee, live so as nobody may believe them.”

“Music is a moral law. It gives soul to the universe, wings to the mind, flight to the imagination, and charm and gaiety to life and to everything.”

“An unexamined life is not worth living.”

“Good people do not need laws to tell them to act responsibly, while bad people will find a way around the laws.”

“Beauty of style and harmony and grace and good rhythm depend on simplicity.”

“I am the wisest man alive, for I know one thing, and that is that I know nothing.”

“Courage is knowing what not to fear.”

“Knowledge which is acquired under compulsion obtains no hold on the mind.”