Justus von Liebig

The true secret of success is to be always prepared to seize the opportunities that present themselves.

The most important thing in life is to have a purpose, and to pursue it with all your might.

The true measure of a civilization is the extent to which it provides for the well-being of its citizens.

The most important problem facing humanity is how to feed the ever-increasing population of the world.

The true cause of poverty and famine is the ignorance of the laws of nature.

The most important duty of a government is to promote the welfare of its people.

The true path to prosperity is through the application of science to industry and agriculture.

The most important factor in the progress of a nation is the intelligence and industry of its people.

The true wealth of a nation consists in the health and well-being of its citizens.

The most important lesson that we can learn from history is that the future belongs to those who are willing to embrace change.

The true progress of humanity is measured by its ability to overcome the challenges that it faces.

The most important thing that we can do for the future generations is to leave them a world that is better than the one we inherited.

The true wisdom of man consists in his ability to live in harmony with nature.

The most important problem facing humanity is the preservation of the natural resources of the earth.

The true measure of a man's character is his willingness to sacrifice his own interests for the good of others.

The most important principle of morality is to do unto others as you would have them do unto you.

The true object of all human endeavor is to achieve happiness, both for ourselves and for others.

The most important thing in life is to live a life of purpose and meaning.

The true measure of a man's success is not in the wealth that he accumulates, but in the good that he does for humanity.

The most important lesson that we can learn from life is that every day is a new opportunity to learn and to grow.