“It is a maxim universally agreed upon in agriculture, that nothing must be done too late; and again, that everything must be done at its proper season; while there is a third precept which reminds us that opportunities lost can never be regained.”
Book XVIII, sec. 44.
Naturalis Historia
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Pliny the Elder 31
Roman military commander and writer 23–79Related quotes

XII, 30
Meditations (c. 121–180 AD), Book XII
Context: Everything harmonizes with me, which is harmonious to thee, O Universe. Nothing for me is too early or too late, which is in due time for thee. There is one light of the sun, though it is interrupted by walls, mountains and infinite other things. There is one common substance, though it is distributed among countless bodies which have their several qualities. There is one soul, though it is distributed among several natures and individual limitations. There is one intelligent soul, though it seems to be divided.

"The Ethics of Human Beings Toward Non-human Beings", pp. 278
The Universal Kinship (1906), The Ethical Kinship

“Hell is truth seen too late — duty neglected in its season.”
Source: A Dictionary of Thoughts, 1891, p. 225.

Source: The Islamic Declaration (1970), p. 31.