He thought deeply and said, 'I think, therefore I am.'

He is receiving a basic living stipend.

He said, 'Where there is a will, there is a way,' and faced the difficult situation.

He strongly believes in the philosophical thought, 'I think, therefore I am.'

He is suffering from post-traumatic stress disorder from the war.

He always keeps in mind the phrase 'If one learns without thinking, it is a waste.'