History does not long entrust the care of freedom to the weak or the timid.
所有人类行为都有以下七个原因中的一个或多个:机会、自然、强迫、习惯、理性、激情和欲望。
Biology will relate every human gene to the genes of other animals and bacteria, to this great chain of being.
Technology can be a powerful tool for development if applied correctly.