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

A little thought and a little kindness are often worth more than a great deal of money.

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

Great dreams of great dreamers are always transcended.

A great pleasure in life is doing what people say you cannot do.

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

Many great actions are committed in small struggles.

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

A constant struggle, a ceaseless battle to bring success from inhospitable surroundings, is the price of all great achievements.

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