If wisdom was to cease throughout the world, no one would suspect himself of ignorance.
An enemy to whom you show kindness becomes your friend.
God preserve us! If men knew what is done in secret, no one would be free from the interference of others.
A traveler without knowledge is a bird without wings.
The heart is like a musical instrument of many strings, all the chords of which require putting in harmony.
To tell a falsehood is like the cut of a saber: for though the wound may heal, the scar of it will remain.