"Run in the open air. Do mild Pranayama. Chant OM. Sing with devotion. Dance in ecstasy. Depression will vanish soon. You are Ananda Svarupa — where is gloom and depression? They are mental creations only. Remain silent. You can gain more by silence. (Overcome Depression and Gloom)"
January 1, 1970
https://en.wikiquote.org/wiki/Swami_Sivananda