Answer:
What force and strength cannot get through. I, with a gentle touch, can do. Many in the street would stand. Were I not a friend at hand.
What has roots that nobody sees, and is taller than trees. Up, up it goes, and yet it never grows.
I'm the source of all emotion, but I'm caged in a white prison.
Of no use to one, Bliss to two. Men lie for it. The baby’s right,
What measures out time. Until in time all is smashed to it?
I have two eyes in the front and a lot of eyes on my tail
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?