There is nothing more dreadful than the habit of doubt. Doubt separates people. It is a poison that disintegrates friendships and breaks up pleasant relations. It is a thorn that irritates and hurts; it is a sword that kill.

I have only made this letter longer because I have not had the time to make it shorter.

I'm a survivor, and I've learned to appreciate the journey.

The past is whatever the records and the memories agree upon.

The only way to lead people is to show them a future: a leader is a dealer in hope.

Success is not about following the crowd; it's about listening to your inner voice and staying true to your own path.

The phrase 'nature and nurture' is a convenient jingle of words.