The first step towards gaining knowledge is to accept that we are ignorant. One who feels that he has gained sufficient knowledge ceases to learn and that is the end of it. There is a distinct line of demarcation between knowledge and information. Person who has information is not know ledged and there is no limit to the amount of knowledge that can be gained throughout life. There is no age limit, no subject limit or anything that can stop you from gaining knowledge.
Great people have gained great knowledge by silently observing things with a deep desire inside to learn more and more. The following quotes give a clear picture of how they attained great knowledge through various methods like experience, reading books traveling and so on. These will be helpful to be sent to friends or through email or cards.