Herbert Spencer Quotes: In science the important thing is to modify and change one's ideas as science advances. ...

In science the important thing is to modify and change one's ideas as science advances. (Herbert Spencer)

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Herbert Spencer Quotes: In science the important thing is to modify and change one's ideas as science advances.

Herbert Spencer Quotes: In science the important thing is to modify and change one's ideas as science advances.

Herbert Spencer Quotes: In science the important thing is to modify and change one's ideas as science advances.

Herbert Spencer Quotes: In science the important thing is to modify and change one's ideas as science advances.

Herbert Spencer Quotes: In science the important thing is to modify and change one's ideas as science advances.

Herbert Spencer Quotes: In science the important thing is to modify and change one's ideas as science advances.

Herbert Spencer Quotes: In science the important thing is to modify and change one's ideas as science advances.

Herbert Spencer Quotes: In science the important thing is to modify and change one's ideas as science advances.

Herbert Spencer Quotes: In science the important thing is to modify and change one's ideas as science advances.

Herbert Spencer Quotes: In science the important thing is to modify and change one's ideas as science advances.

Herbert Spencer Quotes: In science the important thing is to modify and change one's ideas as science advances.

Herbert Spencer Quotes: In science the important thing is to modify and change one's ideas as science advances.

Herbert Spencer Quotes: In science the important thing is to modify and change one's ideas as science advances.

Herbert Spencer Quotes: In science the important thing is to modify and change one's ideas as science advances.

Herbert Spencer Quotes: In science the important thing is to modify and change one's ideas as science advances.