Aryabhata
He proposed a heliocentric model with Earth rotating on its axis and accurately calculated the length of the sidereal year.
Most quoted
"Just as a person in a boat going forward sees the stationary objects on the shore as moving backward, just so are the stars, though stationary, seen by the people on the earth as moving westward."
— from Aryabhatiya, Gola (Sphere) Chapter, Verse 9
"Just as a man in a boat going forward sees the stationary objects on the shore as moving backward, just so are the stars seen as moving backward by the people on the Earth moving forward."
— from Aryabhatiya (rephrasing of a core concept)
"Just as a person in a boat moving forward sees the stationary objects on the bank as moving backward, in the same way, a person on the Earth sees the stationary stars as moving backward."
— from Aryabhatiya, Gola (Sphere) 9, 499
All quotes by Aryabhata (366)
The eclipses are not portents of doom, but predictable celestial events.
My calculations, though imperfect, strive for the perfection of the divine.
The passage of time is but a measure of the Earth's relentless journey.
To my esteemed colleague, your insights have sharpened my own understanding.
The universe is a grand puzzle, and each discovery is a piece falling into place.
The value of Pi, though irrational, guides us in understanding the circle's embrace.
Let us teach our children to observe, to question, and to seek answers in the natural world.
The celestial sphere, though vast, can be mapped and understood through diligent observation.
My work is but a humble attempt to decipher the language of the cosmos.
The sine table, a tool of elegance, unlocks the secrets of angles and distances.
True wisdom lies not in knowing all, but in recognizing the vastness of what is unknown.
The stars are not fixed, but move in grand, predictable orbits.
To my friend, may your journey through life be as harmonious as the planetary movements.
The decimal system, a gift to humanity, simplifies the most complex calculations.
Patience and perseverance are the astronomer's most valuable virtues.
The Earth's rotation explains the rising and setting of the sun, not the sun's movement around the Earth.
As the sun illuminates the world, so does knowledge illuminate the mind.
The Earth, like a boat, moves through the cosmic ocean.
Mathematics is the language of the universe, and we are but its humble interpreters.
To understand the heavens, one must first master the numbers.