Plato

"The man who accomplishes little, criticizes much."

"Geometry will draw the soul toward truth and create the spirit of philosophy."

"The punishment which the wise suffer who refuse to take part in the government, is to live under the government of worse men."

"Nature has made some of us leaders and some of us followers."

"We are only moved by beauty in things we already believe in."

"Courage and wisdom are the only virtues that sustain us."

"The greatest thing a human soul ever does in this world is to see something and tell what it saw in a plain sentence."

"This and that philosopher, as the whim takes him."

"When the looms weave by themselves, man's slavery will end."

"Immortality is the aim of desire; mortality is the condition of fear."

"For they [women] have the ability in all things to do like unto the men."

"The true love is that which transcends the desire to give pleasure and returns only pleasure."

"A friend to all is a friend to none."

"One word frees us of all the weight and pain of life. That word is love."

"In every conceivable manner, the family is link to our past, bridge to our future, and bond to one another."

"We cannot live only for ourselves."

"At the touch of love everyone becomes a poet."

"Courage is a parent; cowardice is a child."

"Knowledge without justice ought to be called cunning rather than wisdom."

"No one is free who is not master of himself."

"The life unexamined is not worth living."

"Let him who would move the world first move himself."

"Poverty is the parent of revolution and crime."

"The beginning of wisdom is a definition of terms."

"Necessity is the mother of invention."

"True knowledge exists in knowing you know nothing."

"That which is unjust can never be entirely stable."

"The gods have confided every necessary thing into hope."

"Care for your psyche; know thyself, for once we know ourselves, we can care for ourselves."

"Freedom is the greatest fruit of self-sufficiency."