Singaporeans are made up of mostly Chinese, Indian, Malay and Eurasian.The common language of conversation is English.Therefore if you want to say peace, you can just say it in English.Other than that, you can say it in Chinese, Malay or Indian and how you say it will depend on which language you wan to say it in.
peace is 和平 or heping love is 爱情 or aiqing. (the noun form)
Wan an Literal Meaning: Late Peace
和平 (hé píng) is how you say peace on earth in Chinese.
伟大的和平 Wěidà de hépíng
some say it symbolizes peace, tranquility, and happiness.
内心的宁静 [nèi xīn de níng jìng]
I think the Chinese symbol for peace is called a Ying- Yang. I'm not sure, but you can look on Google!
You say 'peace be with you'
peace
The Kingfisher
It is 和平.