"Though we be active in the battle, if we are not fighting where the battle is the hottest, we are traitors to the cause."

Next Quote

In a sense, knowledge shrinks as wisdom grows, for details are swallowed up in principles. The details for knowledge which are important, will be picked up ad hoc in each avocation of life, but the habit of the active utilization of well-understood principles is the final possession of WISDOM.

— Alfred North Whitehead