Human beings, who are almost ...

Human beings, who are almost unique in having the ability to learn from the experience of others, are also remarkable for their apparent disinclination to do so. You must not lose faith in humanity. Humanity is an ocean if a few drops of the ocean are dirty, the ocean does not become dirty.
Human beings, who are almost unique in having the ability to learn from the experience of others, are also remarkable for their apparent disinclination to do so. You must not lose faith in humanity. Humanity is an ocean if a few drops of the ocean are dirty, the ocean does not become dirty.

Quotes from the same author

Happiness is when what you think, what you say, and what you do are in harmony.
Strength does not come from physical capacity. It comes from an indomitable will.
Be the change that you want to see in the world.
It is unwise to be too sure of one's own wisdom. It is healthy to be reminded that the strongest might weaken and the wisest might err.
It is the quality of our work which will please God, not the quantity.