What makes us Americans is something more than just the circumstances of birth, what we look like, what God we worship, but rather it is a joyful spirit of citizenship. Citizenship demands participation and responsibility, and service to our country and to one another. And few embody that more than our men and women in uniform.

Remarks by President Obama at Naturalization Ceremony for Servicemembers at The War Memorial of Korea in Seoul, Republic of Korea at April 25, 2014

Remarks by President Obama at Naturalization Ceremony for Servicemembers | whitehouse.gov[obamawhitehouse.archives.gov]