What do you mean by the first 18 signs of the Bogong Mausoleum in Chaoshan?

The 18th sign in front of Bo Gong Mausoleum in Chaoshan means:

This sign says that in the face of difficulties and setbacks, one should maintain a positive and optimistic attitude and strive to overcome difficulties in order to achieve success.

So I suggest that you don't give up hope in the face of difficulties, believe in your own ability and wisdom, and work hard to solve the problem, and finally there will be good results.