Famous aphorisms about not giving up hope include:

1. Hope is a safe force that supports life at all times.

2. No matter how long the night is, day will always come.

3. Life is an ocean, and hope is the helmsman's compass, which prevents people from losing their way in the storm.

4. Have the best hope, make the best effort, and prepare for the worst.

5. Expectation is the fire in the darkness, which cheers people up; expectation is the oasis in the desert, which makes people feel relaxed and happy.

6. People live for hope, because with hope, people have the courage to live.