I have no way of knowing what he is thinking.

He knows that pain through his own experience.

He is enduring mental pressure.

We believe it is important to have corporate patriotism for the success of this company.

He received psychotherapy and got help understanding himself.

He has a deep interest in archaeology.

He understands the importance of learning.

He is majoring in psychology.

Gaku is my best friend.

He likes to take a walk in the park at dusk.