See clearly whether something should be done and whether it can be done, and hold the line of defense against corruption and change. The most important thing is to hold onto your heart. Fear in the heart is the key to words, precepts, and actions. Holding onto one's heart is the key to understanding. Start from small details. A stitch in time saves nine. A person's metamorphosis often starts with eating, drinking, and playing. Build defenses layer by layer and everywhere. Nowadays, society is very complex, with intertwined interests and various temptations and tests. One is to 'hold onto the political barrier'. General Book