[百家争鸣 / 百家爭鳴, bǎi jiā zhēng míngㄅㄞˇ ㄐㄧㄚ ㄓㄥ ㄇㄧㄥˊ] a hundred schools of thought contend (成语 saw); refers to the classical philosophic schools of the Warring States period 475-221 BC#34890
[百家姓, Bǎi jiā xìngㄅㄞˇ ㄐㄧㄚ ㄒㄧㄥˋ] The Book of Family Names, anonymous Song dynasty reading primer listing 438 surnames, with four syllables to each phrase#61780
[百花齐放,百家争鸣 / 百花齊放,百家爭鳴, bǎi huā qí fàng, bǎi jiā zhēng míngㄅㄞˇ ㄏㄨㄚ ㄑㄧˊ ㄈㄤˋ, ㄅㄞˇ ㄐㄧㄚ ㄓㄥ ㄇㄧㄥˊ] a hundred flowers bloom, a hundred schools of thought contend (成语 saw); refers to the classical philosophic schools of the Warring States period 475-221 BC, but adopted for Mao's campaign of 1956