Do not brood over your past mistakes and failures as this will only fill your mind with grief, regret and depression. Do not repeat them in the future.
SivanandaThe mental ability to concentrate is inherent to all; it is not extraordinary or mysterious. Meditation is not something that a Yogi has to teach you; you already have the ability to shut out thoughts.
SivanandaFaith is a belief in the unknown. Faith heals, faith creates, faith works wonders, faith moves mountains. Faith is the searchlight for God-finding.
Sivananda