I think right now it's a battle for the mind share of developers and for the mind share of customers, and right now iPhone and Android are winning the battle.

Excellence is a continuous process and not an accident.

If you want to achieve excellence, you can get there today. As of this second, quit doing less-than-excellent work. 

How beautiful our country is, even after facing many obstacles, whether it was for independence, or with caste or religion, we Indians always make a comeback and fight with each of them with a huge determination.

One can quite understand vegetarianism. One can quite understand meat-eating. But it is difficult to understand why a person who is a flesh-eater should object to one kind of flesh, namely cow's flesh. This is an anomaly which call for explanation.

If you shut the door to all errors, truth will be shut out.

Persuasion is achieved by the speaker's personal character when the speech is so spoken as to make us think him credible. We believe good men more fully and more readily than others: this is true generally whatever the question is, and absolutely true where exact certainty is impossible and opinions are divided.

I'm not an expert on the arms race.

When the water starts boiling it is foolish to turn off the heat.

I am a firm believer in the people. If given the truth, they can be depended upon to meet any national crisis. The great point is to bring them the real facts.

The environment is everything that isn't me.

Do not worry about your difficulties in Mathematics. I can assure you mine are still greater.