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 always proactively suggests new ideas.

He solved the problem in a scientific way.

This reaction occurs through a chemical process.

He is good at tactical thinking.

Fundamental knowledge of mathematics is necessary to solve advanced problems.

This park was completely artificially made.

She is looking for an ideal partner.

He has expert knowledge.

He is troubled by chronic headaches.