What is the fastest thing in world?

Four guys
1 from Harward:
1 Oxford
1 Texas
&
a Sardar from Pujab university

1 common question:
What is the fastest thing in world?

Oxford:Light
Harvard:Thought
Texas:Blink of an eye
Sardar:Its loose motions,
because last night I was lying in my bed
& before I could blink,think or turn on the lights,
it was over!