Our hoard is little, but our hearts are great.
If politics is the art of the possible, research is surely the art of the soluble. Both are immensely practical-minded affairs.
The human mind treats a new idea the same way the body treats a strange protein; it rejects it.
A scientist is no more a collector and classifier of facts than a historian is a man who complies and classifies a chronology of the dates of great battles and major discoveries.
Deductivism in mathematical literature and inductivism in scientific papers are simply the postures we choose to be seen in when the curtain goes up and the public sees us. The theatrical illusion is shattered if we ask what goes on behind the scenes. In real life discovery and justification are almost always different processes.
To deride the hope of progress is the ultimate fatuity, the last word in poverty of spirit and meanness of mind.
Scientists who think science consists of unprejudiced data-gathering without speculation are merely cows grazing on the pasture of knowledge.
The rich have no more of the kingdom of heaven than they have purchased of the poor by their alms.
Just because you're old that doesn't mean you're more forgetful. The same people whose names I can't remember now I couldn't remember fifty years ago. . .
Your hair is an act of God.
The scourge of life, and death's extreme disgrace, The smoke of hell,--that monster called Paine.