发现的旅程充满了不确定性，但正是这些不确定性使科学如此令人兴奋。
The journey of discovery is filled with uncertainties, but it is these uncertainties that make science so exciting.
The internet could be a very positive step towards education, organisation and participation in a meaningful society.
Every artist dips his brush in his own soul, and paints his own nature into his pictures.