What famous saying does this rebus mean?

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Can you find a rabbit in the given picture?

Can you move 2 matchsticks to form four equal sized squares.

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

Birbal was jester, counsellor, and fool to the great Moghul emperor, Akbar.
The villagers loved to talk of Birbal's wisdom and cleverness,
and the emperor loved to try to outsmart him.
One day Akbar (emperor) drew a line across the floor.
"Birbal," he ordered, "you must make this line shorter, but you cannot erase any bit of it."
Everyone present thought the emperor had finally outsmarted Birbal.
It was clearly an impossible task.
Yet within moments the emperor and everyone else present had to agree that Birbal had made the line shorter without erasing any of it.
How could this be?

Replace the question mark with the correct number in below Picture:

How far can you walk into the woods?

Can you start the fire using two pieces of wood?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?