In philosophy, the concept of infinity provokes very profound discussions.

This plan includes unlimited data.

There are many arguments arising from diverse opinions about that issue, and no conclusion has been reached.

He was troubled by the scholasticism.

Please use the emergency stairs in case of a fire.

Due to the earthquake, the city declared a state of emergency.

He is majoring in moral philosophy at university.

His way of thinking is very philosophical.

He is immersed in the study of positivism.

He is a famous philosopher.