Tattoo of the word 'faith' in shape of a cross. Let your faith be bigger than your fears. I think this represents Mrs Fry's faith in god; Christianity represented by the cross and faith represented by the word.
Could an arrow be a symbol of reaching your goals? Everyone is given a limited number of arrows. Use your arrows wisely and aim for what you really want. Once your arrow has been shot, there's no going back but you have one option: move on.