However , his mother could not afford the fees for him to remain beyond 15 years old and so he left in 1941 .
During his time at school , he became fluent in English and did well in his exams .
His mother could not afford the fees for him to remain beyond 15 years old and so he left in 1941 .
During his time at school , he became fluent in English and did well in his exams .