If you wish to learn swimming you have to go into the water and if you wish to become a problem solver you have to solve problems.


Mathematical Discovery (ed. 1981)


If you wish to learn swimming you have to go into the water and if you wish to become a problem solver you have to solve problems.

If you wish to learn swimming you have to go into the water and if you wish to become a problem solver you have to solve problems.

If you wish to learn swimming you have to go into the water and if you wish to become a problem solver you have to solve problems.

If you wish to learn swimming you have to go into the water and if you wish to become a problem solver you have to solve problems.