Your time is limited, don't waste it living someone else's life.
The single biggest problem in communication is the illusion that it has taken place.
The way to get started is to quit talking and begin doing.
The only limit to our realization of tomorrow will be our doubts of today.
In three words I can sum up everything I've learned about life: it goes on.
The only impossible journey is the one you never begin.
The message of the wise is like the sun, which shines but does not destroy.
The art of communication is the language of leadership.
Words are, of course, the most powerful drug used by mankind.