We have all our private terrors, our particular shadows, our secret fears. We are afraid in a fear which we cannot face, which none understands, and our hearts are torn from us, our brains unskinned like the layers of an onion, ourselves the last.
This campaign of non-cooperation has no reference to diplomacy, secret or open. The only diplomacy it admits of is the statement and pursuance of truth at any cost.
Science ... looks skeptically at all claims to knowledge, old and new. It teaches not blind obedience to those in authority but to vigorous debate, and in many respects that's the secret of its success.
It is through the dispositions of an army that its condition may be discovered. Conceal your dispositions, and your condition will remain secret, which leads to victory,; show your dispositions, and your condition will become patent, which leads to defeat.
I am more afraid of deserving criticism than of receiving it. I stand in awe of my own opinion. The secret demerits of which we alone, perhaps, are conscious, are often more difficult to bear than those which have been publicly censured in us, and thus in some degree atoned for.
There has to be irony, both in design and in the objects. I see around me a professional disease of taking everything too seriously. One of my secrets is to joke all the time
The comprehensibility of the world seems to me a wonder or eternal secret. Here lies the sense of wonder which increases even more with the development of our knowledge.
If the genius of invention were to reveal to-morrow the secret of immortality, of eternal beauty and youth, for which all humanity is aching, the same inexorable agents which prevent a mass from changing suddenly its velocity would likewise resist the force of the new knowledge until time gradually modifies human thought.
A monopoly granted either to an individual or to a trading company has the same effect as a secret in trade or manufactures. The monopolists, by keeping the market constantly understocked, by never fully supplying the effectual demand, sell their commodities much above the natural price, and raise their emoluments, whether they consist in wages or profit, greatly above their natural rate.
Really, the fundamental, ultimate mystery -- the only thing you need to know to understand the deepest metaphysical secrets -- is this: that for every outside there is an inside and for every inside there is an outside, and although they are different, they go together.