Al-Battani
He made significant improvements to Ptolemy's astronomical tables and accurately determined the length of the tropical year.
Most quoted
"Our fleeting existence on Earth is but a moment compared to the eternal cycles of the cosmos. Yet, in this brief span, we are granted the capacity to observe and understand."
— from Kitāb az-Zīj as-Sābi'
"The beauty of the night sky, with its countless luminaries, is a testament to the artistry of the divine, an invitation to contemplation and wonder."
— from Kitāb az-Zīj as-Sābi'
"The celestial spheres, in their intricate dance, reveal the order and majesty of the Creator. To study them is to glimpse the divine mind at work."
— from Kitāb az-Zīj as-Sābi'
All quotes by Al-Battani (382)
The celestial phenomena are regular and predictable to those who understand their causes.
My work is a correction and an extension; may it serve those who come after me to see further.