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

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

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

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

I believe in the fundamental truth of all great religions of the world.

The greatest discovery of all time is that a person can change his future by merely changing his attitude.

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

Most great people have attained their greatest success just one step beyond their greatest failure.

Great things are not accomplished by those who yield to trends and fads and popular opinion.

After climbing a great hill, one only finds that there are many more hills to climb.