And so I leave this world, where the heart must either break or turn to lead (suicide note)
In living and in seeing other men, the heart must break or become as bronze.
Contact with the world either breaks or hardens the heart.
People are governed with the head; kindness of heart is little use in chess.
What we love intensely or for a long time we are likely to bring within the citadel, and to assert as part of oneself.
Your intelligence often bears the same relation to your heart as the library of a chateau does to its owner.
People are governed by the head; a kind heart is of little value in chess.
Men's hearts and faces are always wide asunder; women's are not only in close connection, but are mirror-like in the instant power of reflection.