If at first you don't succeed try try and try again.

Perseverance is nominated by most successful people as the primary factor in their achievements - their enemies probably retort: you were just lucky. But common sense tells us that more than one go is usually required to achieve something new. Budding authors usually experience many rejections before success arrives - all the time they are learning and improving. Athletes, no matter how naturally gifted they might be with excellent physique, need to train long and hard to get anywhere. It is also important to have good judgement and not waste your time on something that definitely wont happen - persevere but avoid being pigheaded