Allah has made interest fruitless and charity fruitful. The Ambassador expressed his hope for fruitful cooperation. The letters crossed in the mail and led to an enduring and fruitful friendship. This marriage, which proved a happy and fruitful one, produced ten children. The soil is the most plentiful, sweet, fruitful and wholesome of all the world. There is an ongoing and fruitful Catholic-Orthodox dialogue. The success of Hilbert space methods ushered in a very fruitful era for functional analysis. Thus the 11th century was a period of fruitful activity in literature. This was the beginning of their long, fruitful collaboration. This more abstract approach allows for fruitful generalizations. It asserts that those in harmony with Tao will live long and fruitful lives. The remaining Vienna years were to prove particularly fruitful. Fish considered the demo their most fruitful yet. Intellectually, this was Mao's most fruitful time. This marked the beginning of probably the most fruitful period of the Jazz Messengers.