To accomplish great things, we must not only act, but also dream not only plan, but also believe.

It is not enough to have great qualities We should also have the management of them.

Unless you choose to do great things with it, it makes no difference how much you are rewarded, or how much power you have.

All difficult things have their origin in that which is easy, and great things in that which is small.

There is no pain so great as the memory of joy in present grief.

Great minds discuss ideas average minds discuss events small minds discuss people.

Some are born great, some achieve greatness, and some have greatness thrust upon them.

Most people say that it is the intellect which makes a great scientist. They are wrong: it is character.

Nothing great in the world has ever been accomplished without passion.

My success was not based so much on any great intelligence but on great common sense.