He is doing special exercises to strengthen his flexor digitorum profundus.

Please calculate the quartiles of this data set.

He is trying to understand the concept of Trinity in Christianity.

In Christianity, God is considered as the Trinity of the Father, the Son, and the Holy Spirit.

It's rare to find a Malayan night heron in the park.

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.