The best form of endurance exercise is the performance of the event.
The past is an illusion. You must learn to live in the present and accept yourself for what you are now. What you lack in flexibility and agility you must make up with knowledge and constant practice.
All types of knowledge, ultimately mean self knowledge.
Do not run away; let go. Do not seek; for it will come when least expected.
Be happy, but never satisfied.
Bring the mind into sharp focus and make it alert so that it can immediately intuit truth, which is everywhere. The mind must be emancipated from old habits, prejudices, restrictive thought processes and even ordinary thought itself.