His words were profound.

He was so profound that it was difficult for us to understand his thoughts.

He is thought to be a greedy person.

His actions are said to be deeply sinful.

The calculation of the antiderivative is a fundamental part of calculus.

The calculation of an indefinite integral can be considered as the reverse operation of differentiation.

Funafuti is the capital of Tuvalu.

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

The Calopteryx cornelia is a species endemic to Japan, and it has beautiful wings.

We should always remember the power of Kannon in difficult times.