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คห 15 ต่อ
ประโยคนั้นของ Tesla เขียนเต็มๆ ว่าอย่างนี้ครับ
"There can be no doubt that, of all the frictional resistances, the one that most retards human movement is ignorance. Not without reason said that man of wisdom, Buddha: "Ignorance is the greatest evil in the world." The friction which results from ignorance, and which is greatly increased owing to the numerous languages and nationalities, can be reduced only by the spread of knowledge and the unification of the heterogeneous elements of humanity. No effort could be better spent. But however ignorance may have retarded the onward movement of man in times past, it is certain that, nowadays, negative forces have become of greater importance. Among these there is one of far greater moment than any other. It is called organized warfare. When we consider the millions of individuals, often the ablest in mind and body, the flower of humanity, who are compelled to a life of inactivity and unproductiveness, the immense sums of money daily required for the maintenance of armies and war apparatus, representing ever so much of human energy, all the effort uselessly spent in the production of arms and implements of destruction, the loss of life and the fostering of a barbarous spirit, we are appalled at the inestimable loss to mankind which the existence of these deplorable conditions must involve. What can we do to combat best this great evil?"
มาจากหนังสือ THE PROBLEM OF INCREASING HUMAN ENERGY WITH SPECIAL REFERENCES TO THE HARNESSING OF THE SUN'S ENERGY. ที่เค้าเขียนเอง ทั้งหมดว่าด้วยเรื่องการสร้างพลังงานไฟฟ้าให้กับโลกด้วยแนวคิดใหม่ของเค้า (ไฟฟ้าที่ไม่ต้องใช้สายไฟ)
ซึ่งย่อหน้าข้างบนมาจากหัวข้อ THE SECOND PROBLEM: HOW TO REDUCE THE FORCE RETARDING THE HUMAN MASSTHE ART OF TELAUTOMATICS. ซึ่งต้องการที่บอกว่าที่มนุษย์ไม่อาจเคลื่อนไปข้างหน้าได้ เพราะมีแรงเสียดทานและเพราะคิดมุมลบ(the force which retards the onward movement of man is partly frictional and partly negative.)
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