Bethlehem

permanent; constant; fixed; usual; ordinary; rule (old); one of the 64 hexagrams of the Book of Changes (䷟)

surname Heng

Liu Heng, personal name of Han emperor Han Wendi 漢文帝|汉文帝; Liu Heng (1954-), Chinese writer

conservation (e.g. of energy, momentum or heat in physics); to remain constant (of a number)

to lack patience

to persevere; perseverance

Li Heng, personal name of thirteenth Tang emperor Muzong 穆宗[Mu4 Zong1] (795-824), reigned 821-825

steady; stable and permanent; constant; steady-state

to pursue unremittingly (idiom); to persevere

conservation of energy (physics)

Liu Heng (202-157 BC), the fourth Han emperor Han Wendi, reigned 180-157 BC