Confucius

"An education obtained by hard work enriches the mind."

"Real knowledge is to know the extent of one's ignorance."

"The gentleman understands what is just; the small man understands what is profitable."

"Consistency is the foundation of virtue."

"When you make a mistake, do not ever make the same mistake again."

"The essence of knowledge is, having it, to apply it; not applying it, is not to have it."

"To see the right and not to do it is a want of courage."

"A man of virtue will not speak lightly of others; he will only speak of what he knows and is certain about."

"The superior man understands what is right; the inferior man understands what will sell."

"Virtue is preserved by caution; it is lost by negligence."

"If one takes care of the moments, the years will take care of themselves."

"Man conquers the world by conquering himself."

"The man who makes no mistakes does not usually make anything."

"Do not permit what you do not approve; do not approve what you do not permit."

"The superior man is satisfied and composed; the mean man is always full of distress."

"Love of learning is akin to wisdom; to practice with vigor is akin to benevolence; to possess the feeling of shame is akin to courage."

"If you wish to know what a man is, place him in authority."

"Music, when soft voices die, vibrates in the memory."

"The superior man is distressed by the limitation of his ability; he is not distressed by the limitation of his income."

"By studying the past, one defines the future."

"To put the world right in order, we must first put the nation in order; to put the nation in order, we must first put the family in order; to put the family in order, we must first cultivate the self."

"The accomplished speaker has few words but much effect."

"If language is not correct, then what is said does not mean what is intended."

"The superior man is modest in his speech but exceeds in his actions."

"He who exercises government by means of his virtue may be compared to the north polar star."

"Respect yourself and others will respect you."

"To practice what you preach is the first step to mastery."

"Knowledge readily becomes an instrument of power in the hands of the craftsman."

"The ancients refined the subtle qualities of their nature and broadened their understanding of the world."

"When you are angered by someone's offense, do not seek revenge but teach by instruction."