I may have had a lot of luck in my life, but I still need to find a challenge in the game.

You can't learn in school what the world is going to do next year.

Courage isn't having the strength to go on - it is going on when you don't have strength.

The real man smiles in trouble, gathers strength from distress, and grows brave by reflection.

Don?t only practice your art, but force your way into its secrets, for it and knowledge can raise men to the divine.

I will take fate by the throat; it will never bend me completely to its will.

The fact that the great scientist believed in flying machines was the one thing that encouraged us to begin our studies.

Keep your face to the sunshine and you will never see the shadow.

I discover myself on the verge of a usual mistake.

A Penny Saved is a Penny Earned

Don't complain about the snow on your neighbor's roof when your own doorstep is unclean.

Duty does not require any person to submit to the destruction of his personal ambitions and the right to live his own life in his own way.

I don’t think we are going to become extinct. We are very clever and very resourceful.

Lend yourself to others, but give yourself to yourself.

Defeat is not defeat unless accepted as a reality-in your own mind.

Write it on your heart that every day is the best day in the year.

It is greed to do all the talking but not to want to listen at all.

What I stand for is what I stand on.

What lies behind us and what lies before us are tiny matters compared to what lies within us.

Sincerity and truth are the basis of every virtue.

The only way of discovering the limits of the possible is to venture a little way past them into the impossible.