Whether you think that you can, or that you can’t, you are usually right. (Henry Ford)

The full use of your powers along lines of excellence. (definition of happiness by John F. Kennedy)

Each problem that I solved became a rule which served afterwards to solve other problems. (Rene Descartes, Discours de la Methode)

I find that the harder I work, the more luck I seem to have. (Thomas Jefferson)

Perfection is achieved, not when there is nothing more to add, but when there is nothing left to take away. (Antoine de Saint Exupery)

I do not feel obliged to believe that the same God who has endowed us with sense, reason, and intellect has intended us to forgo their use. (Galileo Galilei)

Moral indignation is jealousy with a halo. (H. G. Wells)

To love oneself is the beginning of a lifelong romance (Oscar Wilde)

I’m living so far beyond my income that we may almost be said to be living apart. (E. E. Cummings)

A lie gets halfway around the world before the truth has a chance to get its pants on. (Sir Winston Churchill)

Whenever I climb I am followed by a dog called ‘Ego’. (Friedrich Nietzsche)

Dancing is silent poetry. (Simonides)

We have art to save ourselves from the truth. (Friedrich Nietzsche)

Don’t stay in bed, unless you can make money in bed. (George Burns)

If you want to make an apple pie from scratch, you must first create the universe. (Carl Sagan)

Whenever I climb I am followed by a dog called ‘Ego’. (Friedrich Nietzsche)

Whenever I climb I am followed by a dog called ‘Ego’. (Friedrich Nietzsche)

People demand freedom of speech to make up for the freedom of thought which they avoid. (Soren Aabye Kierkegaard)