Physical pain is a necessary accompaniment of all human existence, and as such is unavoidable. As long as there will be life on earth, there will be also suffering, in various forms and degrees. But suffering, although an inescapable reality, can nevertheless be utilized as a means for the attainment of happiness. This is the interpretation given to it by all the prophets and saints who, in the midst of severe tests and trials, felt happy and joyous and experienced what is best and holiest in life. Suffering is both a reminder and a guide. It stimulates us better to adapt ourselves to our environmental conditions, and thus leads the way to self improvement. In every suffering one can find a meaning and a wisdom. But it is not always easy to find the secret of that wisdom. It is sometimes only when all our suffering has passed that we become aware of its usefulness. What man considers to be evil turns often to be a cause of infinite blessings. And this is due to his desire to know more than he can. God’s wisdom is, indeed, inscrutable to us all, and it is no use pushing too far trying to discover that which shall always remain a mystery to our mind.LOG280

Know thou that the soul of man is exalted above, and is independent of all infirmities of body or mind. That a sick person showeth signs of weakness is due to the hindrances that interpose themselves between his soul and his body, for the soul itself remaineth unaffected by any bodily ailments.GL153

Often physical sickness draws man nearer unto his Maker, suffers his heart to be made empty of all worldly desires until it becomes tender and sympathetic toward all sufferers and compassionate to all creatures. Although physical diseases cause man to suffer temporarily, yet they do not touch his spirit. Nay, rather, they contribute toward the divine purpose; that is, spiritual susceptibilities will be created in his heart.SOTWV8No18_231

Although ill health is one of the unavoidable conditions of man, truly it is hard to bear. The bounty of good health is the greatest of all gifts.SWA151

Illnesses which occur by reason of physical causes should be treated by doctors with medical remedies; those which are due to spiritual causes disappear through spiritual means. Thus an illness caused by affliction, fear, nervous impressions, will be healed more effectively by spiritual rather than by physical treatment. Hence, both kinds of treatment should be followed; they are not contradictory. Therefore thou shouldst also accept physical remedies inasmuch as these too have come from the mercy and favour of God, Who hath revealed and made manifest medical science so that His servants may profit from this kind of treatment also. Thou shouldst give equal attention to spiritual treatments, for they produce marvellous effects.SWA151

With regard to your question concerning spiritual healing. Such a healing constitutes, indeed, one of the most effective methods of relieving a person from either his mental or physical pains and sufferings....Spiritual healing, however, is not and cannot be a substitute for material healing, but it is a most valuable adjunct to it. Both are, indeed, essential and complementary.LOG276

The prayers which were revealed to ask for healing apply both to physical and spiritual healing. Recite them, then, to heal both the soul and the body. If healing is right for the patient, it will certainly be granted; but for some ailing persons, healing would only be the cause of other ills, and therefore wisdom doth not permit an affirmative answer to the prayer.SWA161

Physical healing cannot be complete and lasting unless it is reinforced by spiritual healing. COCV1_477

It is incumbent upon everyone to seek medical treatment and to follow the doctor’s instructions, for this is in compliance with the divine ordinance, but, in reality, He Who giveth healing is God.SWA156

Unless the spirit be healed, the cure of the body is worth nothing. All is in the hands of God, and without Him there can be no health in us!PT19

It is very hard to be subject to any illness, particularly a mental one. However, we must always remember these illnesses have nothing to do with our spirit or our inner relation to God.LOG281

. . . mental illness is not spiritual, although its effects may indeed hinder and be a burden in one’s striving toward spiritual progress.LOG284

. . . the remembrance of Thee is a healing medicine to the hearts of such as have drawn nigh unto Thy court . . .PM78

Thy name is my healing, O my God, and remembrance of Thee is my remedy. Nearness to Thee is my hope, and love for Thee is my companion. Thy mercy to me is my healing and my succor in both this world and the world to come. Thou, verily, art the All-Bountiful, the All-Knowing, the All-Wise.PM262

You must be happy always. ..In a large measure happiness keeps our health while depression of spirit begets disease.TOT23