The essence of knowledge is, having it, to apply it; not having it, to confess your ignorance.
Confucius
Confucius
O pior pecado contra nossos semelhantes não é odiá-los, mas ser indiferente a eles, que é a essência da desumanidade.
George Bernard Shaw
Those who are slow to know suppose that slowness is the ESSENCE of knowledge.
Friedrich Nietzsche
The energy of the mind is the ESSENCE of life.
Aristotle