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"Denk in mogelijkheden"
"Not everything that counts can be counted. Not everything that can be counted counts"
"Great minds discuss ideas, average minds discuss events, small minds discuss people" (Eleanor Roosevelt)
"The root of learning is bitter, although the fruit is sweet." (king Salomon. 970-926 B.C.)
"...cultivate hunches, follow the links, let others build on your ideas..." (Steven Johnson, Where good ideas come from, 2010)