यह प्रसिद्ध कथन किसका है, 'हम भारतीयों के बहुत ऋणी हैं, जिन्होंने हमें गिनती सिखाई, जिसके बिना कोई भी महत्वपूर्ण वैज्ञानिक खोज संभव नहीं हो पाती'?

Who stated, 'There are only two fruits that bring forth the meaning in the tree of life. The first one is reading good books and the second is talking to great people'?

Who among the following stated that 'History is a series of past experiences of the country'?