We all have skills and talents we can use to make the world a better place. You have to believe that you're capable of making a difference so you can be effective. Have faith yourself and also in the fact that the actions of one person can be the start of a worldwide revolution. Sometimes you wont see the results of your charitable work, but you can take comfort knowing that your choices may have inspired others. You will feel truly useful when you commit yourself to the betterment of the world around you.