Mental fight means thinking against the current, not with it. It is our business to puncture gas bags and discover the seeds of truth.Virginia Woolf
Because your own strength is unequal to the task, do not assume that it is beyond the powers of man; but if anything is within the powers and province of man, believe that it is within your own compass also.Marcus Aurelius
Let the future tell the truth, and evaluate each one according to his work and accomplishments. The present is theirs; the future, for which I have really worked, is mine.Nikola Tesla
The scientific man does not aim at an immediate result. He does not expect that his advanced ideas will be readily taken up. His work is like that of the planter - for the future. His duty is to lay the foundation for those who are to come, and point the way.Nikola Tesla
The boy who is going to make a great man must not make up his mind merely to overcome a thousand obstacles, but to win in spite of a thousand repulses and defeats.Theodore Roosevelt
It seems that I have always been ahead of my time. I had to wait nineteen years before Niagara was harnessed by my system, fifteen years before the basic inventions for wireless which I gave to the world in 1893 were applied universally.Nikola Tesla