Men of lofty genius when they are doing the least work are most active.
Leonardo da Vinci 

Nothing has really happened until it has been recorded.
Virginia Woolf 

Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.
Albert Einstein (1879-1955) 

Peace cannot be achieved through violence, it can only be attained through understanding.
Albert Einstein (1879-1955) 

Question everything. Learn something. Answer nothing.
Engineer's Motto 

The art of being wise is the art of knowing what to overlook.
William James (1842-1910) 

The eternal mystery of the world is its comprehensibility.
Albert Einstein (1879-1955) 

The further the spiritual evolution of mankind advances, the more certain it seems to me that the path to genuine religiosity does not lie through the fear of life, and the fear of death, and blind faith, but through striving after rational knowledge.
Albert Einstein (1879-1955) 

The important thing is not to stop questioning. Curiosity has its own reason for existing.
Albert Einstein (1879-1955) 

The intelligent man finds almost everything ridiculous, the sensible man hardly anything.
Johann Wolfgang von Goethe (1749-1832)