I shave every day, but my beard stays the same. What am I?

I have an eye but still cannot see.

Who am I?

A thief enters a store and threatens the clerk, forcing her to open the safe. The clerk says, “The code for the safe is different every day, and if you hurt me you’ll never get the code.” But the thief manages to guess the code on his own. How did he do it?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

Can you find the key in the picture below?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

I never was there, I am always to be.
You have never ever seen me, not ever you will.
Yet I am the confidence of everyone.

Who Am I?

There was a minor accident with a doctor's son but the doctor noticed no major injury. After the treatment, the father of that doctors son is sitting with the son of the doctor without the doctor being in the room.

How can this be possible?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

What does man love more than life, hate more than death or mortal strife; That which contented men desire; the poor have, the rich require; the miser spends, the spendthrift saves, and all men carry to their graves?