Be confident! Be happy! Be rejoiced! Be hopeful! Although in this particular case 'Abdu'l-Baha guaranteed the attainment of sound physical health, He does not do so in every case, even where there is strong faith on the part of the individual.

To a pilgrim in Akka He said:-- The prayers which were written for the purpose of healing are both for the spiritual and material healing....

If healing is best for the patient, surely it will be granted.

For some who are sick, healing for them shall be the cause of other ills.

Thus it is that Wisdom does not decree the answer to some prayers.
O maid-servant of God.