Sir Issac newton ,was foud out gravitational force of the earth, had a very busy life .every second was occupied in thought of experiment and the even grudged the time he had to spend in sleepless with and in without taking meals.A friend once called to see him and learing that Newto was busy , he desides to wait till he appeared for dinnert which was already on the table . After waiting for a considerable time to he began to feel hungry , so he ate newtons food . When the great man appeared ,he grudged his friend and sat down to have dinner on finding the dishes empty, he remarked without showing any surprise. "Oh! I forgot I had already takenmy dinner. How silly I am!"
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