Enthusiasm is the mother of effort, and without it nothing great was ever achieved.

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

Little minds are tamed and subdued by misfortune but great minds rise above them.

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

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

Our greatest glory is not in never failing, but in rising up every time we fail.

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

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

If you cannot do great things, do small things in a great way.

One sees great things from the valley only small things from the peak.