Spinoza, Baruch

"The imagination is the lowest form of knowledge."

"Whatever increases our power of thinking and acting is good."

"Sadness is a transition to a lesser perfection."

"The mind cannot be absolutely destroyed with the body."

"Reason demands that we should love ourselves."

"Freedom is not the absence of necessity, but the understanding of it."

"The perfection of a thing is measured by its power of action."

"Timidity is a sign of weakness."

"He who imagines that he is hated by all is foolish."

"Existence and essence are one and the same."

"Determination is not negation, but affirmation."

"The body is capable of many things."

"Experience teaches that all things which are good for the human body are also good for the mind."

"Eternity is not duration, but the very essence of truth."

"The individual mind is the expression of the infinite intellect."

"Perfect knowledge is the knowledge of the particular through the universal."

"A passive emotion ceases to be passive as soon as we form a clear idea of it."

"The mind is eternal insofar as it understands all things as necessary."

"Virtue consists of the effort to preserve oneself."

"To understand anything is to understand its necessity."

"The more we know, the more we are capable of being affected."

"Jealousy is a form of sadness."

"True knowledge is the knowledge of particular things through God."

"The infinite intellect is the eternal and infinite act of thinking."

"Self-interest is the foundation of all things."

"The effort by which each thing strives to persevere in its being is the essence of that thing."

"Superstition arises from fear and uncertainty."

"Pity is sadness mixed with joy."

"Understanding produces joy."

"Greed diminishes as understanding increases."