Remember there's no such thing as a small act of kindness. Every act creates a ripple with no logical end.
Hypotheses multiply so as to fill the gaps in factual knowledge concerning biological phenomena.
In formal logic, a contradiction is the signal of defeat: but in the evolution of real knowledge, it marks the first step in progress toward victory.
Language is a form of human reason, which has its internal logic of which man knows nothing.
If language had been the creation not of poetry but of logic, we should only have one.
That's not a lie, it's a terminological inexactitude. Also, a tactical misrepresentation.
Man has a limited biological capacity for change. When this capacity is overwhelmed, the capacity is in future shock.
The fact that logic cannot satisfy us awakens an almost insatiable hunger for the irrational.
Better to be without logic than without feeling.
Religion is love; in no case is it logic.
Logic, like whiskey, loses its beneficial effect when taken in too large quantities.
Logic is neither a science nor an art, but a dodge.
Man has such a predilection for systems and abstract deductions that he is ready to distort the truth intentionally, he is ready to deny the evidence of his senses only to justify his logic.
In a mind all logic is like a knife blade. It makes the hand bleed that uses it.
Logic is the anatomy of thought.
. . . as for logic, it's in the eye of the logician.
Logic takes care of itself; all we have to do is to look and see how it does it.
The logic of words should yield to the logic of realities.
Logics will get you from A to B, Imagination will take you everywhere.
The mind has its own logic but does not often let others in on it.
Logic: an instrument used for bolstering a prejudice.
Logic is the art of going wrong with confidence.
Men are apt to mistake the strength of their feeling for the strength of their argument. The heated mind resents the chill touch and relentless scrutiny of logic.
To a person in love, the value of the individual is intuitively known. Love needs no logic for its mission.
Pure mathematics is, in its way, the poetry of logical ideas.