He emphasized his belief by saying, 'I believe in order to understand.'

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.

He was my student, but now he has become so proficient that it can be said 'the student has surpassed his teacher.'

He is the type of person who understands ten from hearing one.

Since he started his new job, he's been lively as if he were a fish back in water.

He absorbs new information like a sponge soaking up water.

The European water vole is a small mammal native to Europe.

This steam is what you see when water vapor cools down.

This building is equipped with an impermeable wall, preventing water intrusion.

The aquifer in this area provides a very abundant water source.