"It is a timeless truth that he who reads widely and ponders deeply builds an unshakeable inner citadel — an essential principle for the reflective life."

"Doubt grows with knowledge."

"Self-knowledge comes from knowing other men."

"It is a subtle truth that a visionary sees the unseen possibilities in the heart of common struggles."

"It is a timeless truth that the ocean of adversity cannot drown the spirit that resolves to stay afloat."

"The truth is in nature, and I shall prove it."

"You have not found your place until all your faculties are roused, and your whole nature consents and approves of the work you are doing."

"A heart touched by genuine kindness never loses its warmth. Such is the immutable nature of understanding — an essential principle for the reflective life."