One should be more concerned about what his conscience whispers than about what other people shout.

Know your limits, but don't be afraid to set the bar a little higher each time so that eventually you will be unlimited.

We all have the power to make little choices that can change the course of our lives forever.

Self-discipline is hard, and the more projects you have on your plate, the more your willpower will have to stretch.

When it's hard to to get through another hour and another minute, refuse to believe the lies of darkness, make a conscious decision to focus on light and practice gratitude for what you have.

Well-timed silence has more eloquence than speech.

It’s a choice to put in the hours, go the extra mile, and do the things others aren’t willing to do.

The man who has strong opinions and always says what he thinks is courageous - and friendless.