What we don't understand on either front is that the more pressure we put on our pests, the more we cause them to evolve around the pressure. The pressure is evolutionary pressure; what we fail to understand is evolution itself. Jonathan Weiner
It goes without saying that I understand the comforts and security of racial solidarity, defensive or otherwise. Only those who have not been set upon by hatred and repelled by rejection fail to understand its attraction. As I have suggested, I have been there. Clarence Thomas
What organized dating sites fail to understand is that the people are far more interesting in what they don't say about themselves. Nassim Nicholas Taleb
If children fail to understand one another, it is because they think they understand one another. Jean Piaget
Terror will crash down on us if we fail to understand that a pluralistic society requires the personal and daily commitment of every citizen. Tariq Ramadan
Men will mock the signs of the end of the age by saying, 'These signs have always been around.' This will be because they fail to understand that God is not subject to the dimension of time (2 Peter 3:44). Ray Comfort