He understands the importance of learning.

He is majoring in psychology.

Gaku is my best friend.

He says 'knowledge is power' and studies hard every day.

He can't stop boasting about his strength.

He has physical strength, so he can work for a long time.

His work is overflowing with life force.

His masticatory force is surprisingly strong.

Tidal force is the force that causes the tides of the Earth's oceans.

His words had a great influence.