"There is nothing in the intellect that was not first in the senses, except the intellect itself."Knowledge
"The present is pregnant with the future."Time
"Nature never makes jumps."Nature
"God is in the details."Wisdom
"It is unworthy of excellent men to lose hours like slaves in the labour of calculation."Work
"The only true wisdom is in knowing you know nothing."Knowledge
"There are no accidents in nature, only causes."Philosophy
"I am not at all in the humour to think of reasoning now."Humor
"To be is to be perceived."Philosophy
"Each monad is a mirror of the universe."Science
"The power of thought is the measure of intelligence."Wisdom
"Music is the joy of the soul."Music
"All is for the best in this best of all possible worlds."Hope
"Art imitates nature by following its rules."Art
"Nothing happens without sufficient reason."Philosophy
"The happiness of lovers is in enjoying their love."Love
"Science teaches us to seek truth through reason."Science
"Time is the order of succession."Time
"Beauty is the perception of harmony."Beauty
"Every individual substance contains in its concept all of its events."Philosophy
"The aim of mathematics is to discover relations between quantities."Knowledge
"To act is human; to create is divine."Creativity
"Justice is the charity of the wise."Justice
"Courage is the foundation of all virtue."Courage
"The path to peace lies through understanding."Peace
"Education is the most powerful weapon for change."Education
"Life without freedom is merely existence."Freedom
"The pursuit of truth requires perseverance."Perseverance
"Kindness is the language of love."Kindness
"Imagination is more important than knowledge."Imagination