Every kind of knowledge, every science, is as a tree: if the fruit of it be the love of God, then is it a blessed tree, but if not, that tree is but dried-up wood, and shall only feed the fire

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.

My heart is in a constant state of thanksgiving.

Anyone can live contentedly in circumstances of ease and comfort, health and well-being gratification and felicity; but to remain happy and contented in the face of difficulty, hardship and the onslaught of disease and sickness-this is an indication of nobility.

...knowledge is the cause of human progress.

Never is it the wish of `Abdu'l-Bahá to see any being hurt, nor will He make anyone to grieve; for man can receive no greater gift than this, that he rejoice another's heart. I beg of God that ye will be bringers of joy, even as are the angels in Heaven.

There is but one power which heals—that is God. The state or condition through which the healing takes place is the confidence of the heart. By some this state is reached through pills, powders, and physicians. By others through hygiene, fasting, and prayer. By others through direct perception.