That world beyond is a world of sanctity and radiance; therefore, it is necessary that in this world he should acquire these divine attributes. In that world there is need of spirituality, faith, assurance, the knowledge and love of God. These he must attain in this world so that after his ascension from the earthly to the heavenly Kingdom he shall find all that is needful in that eternal life ready for him.
Abdu'l-BaháWe declare that love is the cause of the existence of all phenomena and that the absence of love is the cause of disintegration or non-existence.
Abdu'l-BaháThe most important principle of divine philosophy is the oneness of the world of humanity, the unity of mankind, the bond conjoining East and West, the tie of love which blends human hearts.
Abdu'l-BaháTo attain eternal happiness one must suffer. He who has reached the state of self-sacrifice has true joy. Temporal joy will vanish.
Abdu'l-Bahá