This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.

Wave function is a fundamental concept in quantum mechanics.

The coelacanth is a fish that has existed since ancient times.

He always watches over us as our guardian.

I was really impressed by his piano performance.

The discussion concerning this issue is not over yet.

In quantum mechanics, the state of a particle is described by a wavefunction.

He works in the air traffic control tower.

We cannot proceed with this project because vital information is missing.

In order to find the inverse function, you need to solve the original function's equation for x and y.