Thomas Aquinas

"A man's measure is taken by the depth of his knowledge, not the length of his days."

"The virtuous life is a kind of music made intelligible."

"Each creature has a nature that reflects something of God's nature."

"The aim of rhetoric is persuasion, but persuasion toward truth is nobler than persuasion toward falsehood."

"The existence of change in the world demands the existence of an unmoved mover."

"To be loved truly is to be known truly."

"The mark of a truly great soul is the ability to show gratitude for small mercies."

"Law is an ordinance of reason for the common good."

"The pursuit of intellectual truth is never at odds with faith rightly understood."

"A person of good character is one who has habituated themselves to virtue."

"The unity of the human person is a profound mystery reflecting God's creative design."

"The virtue of fortitude enables us to face difficulty without being overcome by it."

"Temperance is the virtue that orders the passions in submission to reason."

"The natural desire to know is implanted in all humans by their Creator."

"Truth is the equation of mind and reality."

"Each person is called to fulfill their particular vocation."

"The contemplative life is higher than the active life, yet the active life is more necessary."

"The natural law is written on the human heart."

"Our knowledge of God grows through study of His creation."

"The human being is naturally a social and political animal, ordered to the common good."

"Gratitude is a form of justice owed to those who benefit us."

"The exercise of virtue requires both understanding and practice over time."