Think

Think left and think right, think low and think high. Oh, the thinks you can think up if only you try.

Theodor Seuss Geisel

Confidence

You have to have confidence in your ability, and then be tough enough to follow through.
Rosalynn Carter

Life

The greatest use of a life is to spend it on something that will outlast it. 

William James

Just do it

You don't have to be great to start, but you have to start to be great.

Zig Ziglar

Responsibilities

I believe that every right implies a responsibility; every opportunity an obligation; every possesion a duty.

John D. Rockefeller