I am everywhere but cannot be seen, captured or held, only heard. What am I?

Answer: voice

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More What am I ?

I am everywhere. I am inside you. I surround you. I can be seen by you. I can kill you. Yet you play in me. What am I?
I am everywhere. Nothing can compare. Run and hide and I will still be there Because everything is mine to share. No need to seek me out, Though, you may just run out. What am I?
I am expelled from you orally with a sound. What am I?
I am flora, not fauna. I am foliage, not trees. I am shrubbery, not grass. What am I?
I am found in the day, but more often at night. Whenever you fall, I may be deep or light.
I am found in the sea and on land but I do not walk or swim. I travel by foot but I am toeless. No matter where I go, I'm never far from home. What am I?
I am free the first time and second time, but the third time is going to cost you money. What am I?
I am full of wisdom and knowledge. I get what you want in a blink of an eye. I am known to man as full of endless wisdom. What am I?
I am gentle enough to soothe your skin, light enough to fly in the sky, strong enough to crack rocks. What am I?
I am gold and can be black and white, I’m a symbol for a nation, when freedom took flight. What am I?
I am good at concealing what’s real and hide what’s true. Sometime, I bring out the courage in you! What am I?
I am greater than God, Yet a pen may write me, Faster than light, But the poor may own me, Larger than space, Though the stupid may know me, I cannot die, For life is never in me. What Am I?