Berkeley, George

"The advancement of learning depends upon free inquiry."

"Peace of mind is the supreme good, and all else is subordinate to it."

"Art must copy nature, but it must copy her thoughtfully."

"The strength of a belief is not in the strength of its proof but in the strength of conviction."

"All that we know of motion we know from ourselves."

"Hope is the last thing that dies in man, and the first thing that lives in the young."

"To doubt everything is to understand nothing."

"The greatest obstacle to discovering the shape of the earth was not ignorance but the illusion of knowledge."

"A true material substance which is extended, figured, and movable appears to the mind only as ideas."

"Every idea has an author, either finite or infinite."

"The mind exists only as a perceiving being; it cannot be material."

"We live and move and have our being in God."

"Justice is the virtue that makes all others possible."

"Man's understanding of the world is limited by his senses and his reason."

"Patience is a virtue not because it is hard, but because it teaches us truth."

"The common people, they understand better the nature of things than the learned."

"All the grand concerns of mankind rest upon the foundation of true learning."

"Whatever the mind apprehends, it apprehends as an idea."

"Freedom is not the absence of constraint but the right ordering of the soul."

"Beauty is more easily defined by examples than by precept."

"The laws of nature are the thoughts of God."

"To understand any phenomenon, we must look to its final cause."

"The human mind is vast in its capacity but finite in its understanding."

"True courage comes not from the absence of fear but from trust in providence."

"All the pleasures of sense are not to be compared with one moment of true understanding."

"The more we know, the more we realize how much we do not know."

"Every creature moves according to its nature, which is impressed upon it by God."

"The world is not independent of the mind but exists in it."

"True success is the attainment of virtue and the absence of vice."

"Idleness is the root of all vice and the enemy of all virtue."