以下是一些莎士比亞的名言，它們可以作為勵志的英文句子：
1. "Take arms against a sea of troubles, and by plowing through them with fear and trembling, turn them to your own meadows' sweet use."
2. "There is nothing with less probability than a miracle."
3. "If you would know the value of patience, try to obtain a treasure of it."
4. "The world is a stage, and all of us players, even the scenery sometimes."
5. "Others may do this, but not I; I have vowed to do it all."
6. "There is a time for everything, and a season for every activity under heaven."
7. "He that hath no foresight is like a great river which leaps into a impetuous torrent before it is ready."
這些名言都可以鼓勵人們在面對困難和挑戰時保持勇氣和決心，相信自己的能力和潛力。