1, efforts: Grandpa may have made outstanding contributions to the family and society through long-term efforts, which embodies the spirit and value of workers.

2. Firm belief: Grandpa may have a firm belief in politics, religion or other aspects. His struggle and dedication for this reflects the spirit and value of pursuing truth and justice.

3. Helpfulness: Grandpa may be helpful in life, caring for others and helping people in need, which embodies the spirit and value of humanitarian and social responsibility.

4. Struggle: Grandpa may have participated in some struggles, struggles or revolutions in a certain period in history, made important contributions to the people and the country, and embodied the value of patriotism and national spirit.