What is peace ?
Freedom from disturbance; quiet and tranquility: you can while away an hour or two in peace and seclusion.

 A number of peace symbols have been used in various cultures and contexts, one of the most ancient being the olive branch. The symbol of the dove and olive branch was used by early Christians and was later adopted as a secular symbol. It was popularized by Pablo Picasso in 1949 and became widely used in the post-war peace movement. In the 20th century the peace sign as it is commonly known today was designed for and adopted by the Campaign for Nuclear Disarmament. The V hand signal and the peace flag became international peace symbols. - Wikipedia -