Easy clever riddles

I have a little house in which I live all alone. It has no doors or windows, and if I want to go out I must break through the wall. What am I?

What is black when you buy it, red when you use it, and gray when you throw it away?

If a farmer has 5 haystacks in one field and 4 haystacks in the other field, how many haystacks would he have if he combined them all in the center field?

I have all the knowledge you have. But I am small as your fist that your hands can hold me. Who am I?

Where do fish deposit their money?

Mr. Jason was walking along the sea shore. Suddenly it started drizzling and turned into a heavy rain. He wasn’t carrying any umbrella, not even any cap. He was completely wet and all his clothes were soaked in rain. Yet not even a single strand of his hair was wet! How was that possible?

I am a seed with three letters in my name. Take away the last two and I still sound the same. What am I?

What is so delicate that saying its name breaks it?

I’m at the beginning of the end and the start of eternity, at the end of time and space, in the middle of yesterday but nowhere in tomorrow. What am I?

Samuel was out for a walk when it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this happen?