What does this Rebus Picture mean?

Can you decipher these quotes by Albert Einstein?
Blf xzm mvevi hloev z kilyovn lm gsv ovevo lm dsrxs rg dzh xivzgvw.

I have nine bottles of wine and one of the nine bottles is poisoned.
I need to find the poisoned bottle with two facts
(1) Poison is deadly, only a sip will cost death
(2) I have two mice to do so.

How should I do it?

15 caves are arranged in a circle at the temple of doom. One of these caves has the treasure of gems and wealth. Each day the treasure keepers can move the treasure to an adjacent cave or can keep it in the same cave. Every day two treasure seekers visit the place and have enough time to enter any two caves of their choice.

How do the treasure seekers ensure that they find the treasure in the minimum number of possible days?

How many Watermelons are there in the below picture?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

The more it dries, the wetter it becomes. Can you tell what it is?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

What has a ring but no finger?