1. O Love, that wilt not let me go, I rest my weary soul in Thee； I give Thee back the life I owe, That in Thine ocean depths its flow May richer, fuller be.
2. O Light, that followest all my way, I yield my flickering torch to Thee； My heart restores its borrowed ray, That in Thy sunshine's blaze its day May brighter, fairer be.
3. O Joy, that seekest me through pain, I cannot close my heart to Thee； I trace the rainbow through the rain, And feel the promise is not vain That morn shall tearless be.
4. O Cross, that liftest up my head, I dare not ask to fly from Thee；
5. O Freedom, how many crimes have been committed in thy name!
6. Oaks may fall when reeds stand the storm.
7. Only those who fulfill their duty in everyday matters will fulfill the great occasions.
8. One love drives out another.
9. One man makes a chair and another man sits in it.
10. One man may steal a horse while another may not look over a hedge.
这些句子都以O开头，充满了诗意和美感，适合用于表达情感、自然景象或人生哲理。希望这些句子能满足你的需求。