Identify which details are most important or less important for an objective summary of the excerpt.

Details:
1. "These are useless complaints;"
2. "I first became acquainted with him on board a whale vessel;"
3. "My lieutenant, for instance, is a man of wonderful courage and enterprise;"
4. "I easily engaged him to assist in my enterprise."
5. "I shall certainly find no friend on the wide ocean."

Most Important Details:
- "I first became acquainted with him on board a whale vessel;"
- "My lieutenant, for instance, is a man of wonderful courage and enterprise;"
- "I easily engaged him to assist in my enterprise."

Less Important Details:
- "These are useless complaints;"
- "I shall certainly find no friend on the wide ocean."