When making something， always get a few extras — extra material， extra parts， extra space， extra finishes. The extras serve as backups for mistakes， reduce stress， and fill your inventory for the future. They are the cheapest insurance.
Your voice is your power.
读书不体验认识，就好像闪电照物，一点都抓不到；读书不能身体力行，就像水上行车、陆上行舟、一点用处都没有。
Life is too short to be living somebody else's dream.
需要一颗没有烦恼和恐惧的心才能体验真正的幸福。