Life is full of beauty. Notice it. Notice the bumble bee, the small child, and the smiling faces. Smell the rain, and feel the wind. Live your life to the fullest potential, and fight for your dreams. Just pull out yourself for few moments from the rat race of the day-to-day life, and recall the way you spent the previous day. Did you do everything perfectly? Did you live each moment to the full? The work you did, whatever, was it done the best way it could be done.
We certainly make mistakes, and latter on we realize and exclaim, if only I could have been little more careful or if only I could pay a little more attention to that. If we are given chance to the moments when we made mistakes, we will certainly avoid repeating them.
We make mistakes only because we are not fully aware of what is happening around us. We do not enjoy it to the full. Just free yourself from all preoccupations.
Just be in the present and live it , live it as though there was nothing before it, and the will be nothing after it. Just forget past and future, only be in the present. Live the present moments fully feel the joy and serenity, and experience the optimum use of your abilities.