星星之火,可以燎原 [ㄒㄧㄥ ˙ㄒㄧㄥ ㄓ ㄏㄨㄛˇ , ㄎㄜˇ ㄧˇ ㄌㄧㄠˊ ㄩㄢˊ; xing1 xing5 zhi1 huo3 , ke3 yi3 liao2 yuan2] a single spark can start a huge blaze (idiom); an insignificant cause can have a massive effect ◄ ►