I don't know who my grandfather was; I'm much more concerned to know what his grandson will be.
Keep your face always toward the sunshine - and shadows will fall behind you.
Every problem has in it the seeds of its own solution. If you don't have any problems, you don't get any seeds.
You can't learn in school what the world is going to do next year.
Climbing to the top demands strength, whether it is to the top of Mount Everest or to the top of your career.
Employ your time in improving yourself by other men's writings so that you shall come easily by what others have labored hard for.
Great things are not done by impulse, but by a series of small things brought together.
If you're not prepared to be wrong, you'll never come up with anything original.
If you can't fly then run, if you can't run then walk, if you can't walk then crawl, but whatever you do you have to keep moving forward.
All the darkness in the world cannot extinguish the light of a single candle.
This is one small step for a man, one giant leap for mankind.
One person with a belief is equal to a force of ninety-nine who have only interests.
Whether you think you can, or you think you can't - you're right.
The starting point of all achievement is desire.
Our greatest glory is not in never falling but in rising every time we fall.
To myself I am only a child playing on the beach, while vast oceans of truth lie undiscovered before me.
Do you want to know who you are? Don't ask. Act! Action will delineate and define you.
In essence, if we want to direct our lives, we must take control of our consistent actions. It's not what we do once in a while that shapes our lives, but what we do consistently.
Plan your work - work your plan. Lack of system produces that 'I'm swamped' feeling.
The marble not yet carved can hold the form of every thought the greatest artist has.
A lot of people have gone further than they thought they could because someone else thought they could