Scent is the soul of flowers, and sea flowers, as splendid as they may be, have no soul!

I had no need of sails to drive me, nor oars nor wheels to push me, nor rails to give me a faster road. Air is what I wanted, that was all. Air surrounds me as water surrounds the submarine boat, and in it my propellers act like the screws of a steamer. That is how I solved the problem of aviation. That is what a balloon will never do, nor will any machine that is lighter than air.

Wherever he saw a hole he always wanted to know the depth of it. To him this was important.

I wanted to see what no one had yet observed, even if I had to pay for this curiosity with my life.

We now know most things that can be measured in this world, except the bounds of human ambition!

However, everything has an end, everything passes away, even the hunger of people who have not eaten

No sooner is the rage of hunger appeased than it becomes difficult to comprehend the meaning of starvation. It is only when you suffer that you really understand.