Who said "Nature's lessons are written for those who observe."?

This quote is attributed to Ivan Konev.

Nature's lessons are written for those who observe. - Ivan Konev

"Nature's lessons are written for those who observe."

Ivan Konev Nature

Military Marshal Soviet 1897–1973

"The soldier's heart is the battlefield of nations."

"In victory, show mercy; in defeat, show dignity."

"A true leader commands respect, not obedience."

"The greatest strength lies in knowing when to advance and when to retreat."

"Nature teaches us about beauty."

"Nature teaches us patience and wisdom"

"Sometimes it snows in April."

"Every town has a soul, and Twin Peaks has a troubled one."