More lofty than a mountain will be the greatness of that man who, without swerving from his proper state controls himself.
If we weigh the excellence of a benefit which is conferred without weighing the return, it is larger than the sea.
A favour conferred in the time of need, though it be small (in itself) is (in value) much larger than the world.
Thiruvallular, 2 BC
References
Perpetual Motion of Thought 
