Christian Wolff

"The greatest love is the love of truth and the good."

"Change is the manifestation of potentiality becoming actuality."

"Friendship is the union of souls seeking the good together."

"Humor arises when we perceive incongruity in reasoning or expectation."

"Death is the natural transition from one mode of being to another."

"Perseverance is the continuation of effort in the face of difficulty."

"Every cause must have a sufficient reason for its existence and nature."

"The principle of non-contradiction is the foundation of all thought."

"Essence and existence are ultimately one in the fullness of reality."

"The indiscernible are identical—what differs must be distinguishable."

"God is the sufficient reason for the existence of all other things."

"To live well is to live according to the nature given us by creation."

"Virtue is the cultivation of our highest capacities as rational beings."

"The unfolding of reason in the world is the manifestation of divine goodness."

"Contradiction is the proof of falsity in all matters of reason."

"The knowledge of causes brings understanding of effects."

"Pleasure pursued for its own sake leads away from true happiness."

"Understanding the nature of things requires understanding their causes."

"Evil is merely the privation of good, not a positive principle."

"Order is the first law of the universe and the first requirement of wisdom."

"The mind's clarity depends upon the proper use of definition and demonstration."

"All being reflects, in its own way, the infinite perfection of God."

"Confusion in thought stems from confusion in our use of language."

"To master a subject is to understand its first principles and their connections."

"The pursuit of knowledge is among the highest of human activities."

"Reason is the light by which we navigate the darkness of ignorance."

"What is rational is real, and what is real must be rational."

"The complete concept of a substance contains all its predicates."

"Individuation comes from the complete determination of a thing's concept."

"To be fully oneself is to actualize one's complete rational potential."