Motivation is what gets you started. Habit is what keeps you going.
The fact that the great scientist believed in flying machines was the one thing that encouraged us to begin our studies.
In a conflict between the heart and the brain, follow your heart.
When all is said and done, more is said than done.
Happiness depends more on the inward disposition of mind than on outward circumstances.
The power for creating a better future is contained in the present moment: You create a good future by creating a good present.
People should pursue what they're passionate about. That will make them happier than pretty much anything else.
It is only when the mind is free from the old that it meets everything anew, and in that there is joy.
It's kind of fun to do the impossible.
Keep away from people who try to belittle your ambitions. Small people always do that, but the really great make you feel that you, too, can become great.
Do not pray for easy lives. Pray to be stronger men.
If we ever forget that we're one nation under God, then we will be one nation gone under.
I donít think we are going to become extinct. We are very clever and very resourceful.
We ask ourselves, who am I to be brilliant, gorgeous, handsome, talented and fabulous? Actually, who are you not to be?
To see me does not necessarily mean to see my face. To understand my thoughts is to have seen me.
Whether you think you can, or you think you can't - you're right.
The starting point of all achievement is desire. Keep this constantly in mind. Weak desires bring weak results, just as a small amount of fire makes a small amount of heat.
Do not count your chickens before they are hatched.
Storms make trees take deeper roots.
What lies behind us and what lies before us are tiny matters compared to what lies within us.
The greatest sin is to think yourself weak