Bamboo is not relaxed at all, its roots are firmly embedded in the cracks in the rocks.
After thousands of tortures and blows, it is still strong, whether it is the southeast wind or the northwest wind in winter, it can bear it and will still be tough and straight.
"Endure all kinds of hardships, stay strong, and let the east, west, north and south prevail" is often used to describe revolutionaries' firm stance in struggle and unshakable character when the enemy attacks.