Keep your attention internal, not external, not worrying about what others see, but what the Self sees.
Nothing can be forced, receptivity is everything.
Yoga releases the creative potential in life.
Sometimes our body is willing, but our mind is weak. Sometimes our mind is willing, but our body is weak. Do not be afraid. Strive to extend your capacity but do not be disappointed with yourself. What does not challenge us, cannot change us.
The supreme adventure in a man's life is his journey back to his Creator.
Yes, flexibility of body and physical perfection for Yogasana is important. However more important is the state of your mind, Meditative mind. Your flexibility might be excellent but if your mind is not attentive, you are merely doing some physical exercise, not Yoga.