Only learned can appreciate the learned - Sanskrit subhashitam

विद्वानेव विजानाति विद्वज्जनपरिश्रमम्।
नही वन्ध्या विजानाति गुर्वीं प्रसववेदनाम्॥
Only a learned person knows the effort one has to put in gaining knowledge. A barren woman doesn't know about labour pain.