Failure to prepare = preparing to fail

It is never too late to turn an unproductive day into a productive one.

I think, therefore I am.

Life is full of opportunities. With every opportunity that is missed, another one is born.

Mistakes have the power to turn you into something better than you were before.

It is never too late to become what you might have been

Yesterday is history, tomorrow is a mystery, but today is a gift—that's why it's called 'the present

Mathematics Is not a spectator sport. The only way to learn mathematics is to do mathematics.

Tough times never last, but tough people do.

I have not failed, I've just found 10,000 ways that won't work.

1.00³⁶⁵=1 and 1.01³⁶⁵=37.7. Doing nothing at all versus small steps at a time. 

Pure mathematics is in its way, the poetry of logical ideas.

The wise person knows that no answer is also an answer

Work ethic is important, because, unlike intelligence, athleticism, or charisma, or any natural attribute, it’s a choice.

Focus on progress, not perfection. Practise a little bit every day - little and often  Slow and steady wins the race.