Fill in the blank

"On a Whim" - David Tao
 
 
 
念
niàn
成
chéng
了
le
佛
fó
 
 
念
niàn
成
chéng
了
le
魔
mó
。
On an impulse you're Buddha; on an impulse you're the Devil
Hint: (numb.) one; 1
Correct!