If I have seen farther than others, it is because I was standing on the shoulders of giants.
Albert Einstein (1879-1955) 

If your daily life seems poor, do not blame it; blame yourself, tell yourself that you are not a poet enough to call forth its riches; for to the creator there is no poverty and no poor indifferent place.
Rainer Maria Rilke 

Imagination is more important than knowledge.
Albert Einstein (1879-1955) 

In the sciences, we are now uniquely privileged to sit side by side with the giants on whose shoulders we stand.
Gerald Holton 

It is the customary fate of new truths to begin as heresies and to end as superstitions.
Thomas Henry Huxley 

Life is not an easy matter.... You cannot live through it without falling into frustration and cynicism unless you have before you a great idea which raises you above personal misery, above weakness, above all kinds of perfidy and baseness.
Leon Trotsky  - Diary In Exile, Entry for April 3, 1935

Live your questions now, and perhaps even without knowing it, you will live along some distant day into your answers.
Rainer Maria Rilke 

Man's mind stretched to a new idea never goes back to its original dimensions.
Oliver Wendell Holmes, Jr. (1841-1935) 

Most people are more comfortable with old problems than with new solutions.
Anonymous 

Most people would sooner die than think; in fact, they do so.
Bertrand Russell (1872-1970)