He that visits the sick in hopes of a legacy, but is never so friendly in all other cases, I look upon him as being no better than a raven that watches a weak sheep only to peck out its eyes.
Seneca the YoungerIt is another's fault if he be ungrateful, but it is mine if I do not give. To find one thankful man, I will oblige a great many that are not so.
Seneca the Younger