Of all the men who attacked the flying problem in the 19th century, Otto Lilienthal was easily the most important. ... It is true that attempts at gl…

- Otto Lilienthal

We returned home, after these experiments, with the conviction that sailing flight was not the exclusive prerogative of birds.

- Otto Lilienthal

Small sacrifices must be made.

- Otto Lilienthal

One can get a proper insight into the practice of flying only by actual flying experiments. . . . The manner in which we have to meet the irregularit…

- Otto Lilienthal

All flight is based upon producing air pressure, all flight energy consists in overcoming air pressure.

- Otto Lilienthal

No one can realize how substantial the air is, until he feels its supporting power beneath him. It inspires confidence at once.

- Otto Lilienthal

Particular honour belongs to those who believed in the possibility of mechanical flight when all the world was against them; not the visionaries beca…

- Otto Lilienthal

Artificial flight may be defined as that form of aviation in which a man flies at will in any direction by means of an apparatus attached to his body…

- Otto Lilienthal

But we must admit the possibility that continued investigation and experience will bring us ever nearer to that solemn moment, when the first man wil…

- Otto Lilienthal