1. First, introduction and personal declaration: Here is a brief introduction to the old man’s background, experience and achievements. It can include professional fields, honors received, important projects participated in, etc. At the same time, the wisdom and knowledge possessed by the elderly can be highlighted.

2. Secondly, key features and slogans: through several keywords or phrases, highlight the core characteristics and wisdom of the elderly. For example, perseverance, erudition, philosophy of life, wisdom and longevity, etc.

3. Finally, there are relevant famous quotes, mottos or words of wisdom that can be appropriately quoted on the business card to increase the charm and wisdom of the character.